Home / 85,824.32-128,772-46,334.99

Finding the Fourth Proportional to 85,824.32, 128,772 and 46,334.99

Calculator

Solution

The fourth proportional to 85,824.32, 128,772 and 46,334.99 is: 69,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,824.32 : 128,772 = 46,334.99 : x
  2. Step 2: Convert to fraction form
    85,824.32/128,772 = 46,334.99/x
  3. Step 3: Cross multiply
    85,824.32x = 128,772 × 46,334.99
  4. Step 4: Simplify right side
    85,824.32x = 5,966,648,688.42
  5. Step 5: Solve for x
    x = 5,966,648,688.42/85,824.32
  6. Step 6: Final answer
    x = 69,521.66

Related Problems

Find fourth proportional to 42,912.16, 64,386 and 23,167.49
Half scale
Find fourth proportional to 171,648.63, 257,544 and 92,669.97
Double scale
Find fourth proportional to 85,825.32, 128,773.50 and 46,335.99
Similar ratio
Find fourth proportional to 128,736.47, 193,158 and 69,502.48
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.