Home / 81,857.40-112,962-46,047.42

Finding the Fourth Proportional to 81,857.40, 112,962 and 46,047.42

Calculator

Solution

The fourth proportional to 81,857.40, 112,962 and 46,047.42 is: 63,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,857.40 : 112,962 = 46,047.42 : x
  2. Step 2: Convert to fraction form
    81,857.40/112,962 = 46,047.42/x
  3. Step 3: Cross multiply
    81,857.40x = 112,962 × 46,047.42
  4. Step 4: Simplify right side
    81,857.40x = 5,201,608,658.04
  5. Step 5: Solve for x
    x = 5,201,608,658.04/81,857.40
  6. Step 6: Final answer
    x = 63,544.76

Related Problems

Find fourth proportional to 40,928.70, 56,481 and 23,023.71
Half scale
Find fourth proportional to 163,714.80, 225,924 and 92,094.84
Double scale
Find fourth proportional to 81,858.40, 112,963.38 and 46,048.42
Similar ratio
Find fourth proportional to 122,786.10, 169,443 and 69,071.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.