Home / 63,615.80-89,185-63,615.80

Finding the Fourth Proportional to 63,615.80, 89,185 and 63,615.80

Calculator

Solution

The fourth proportional to 63,615.80, 89,185 and 63,615.80 is: 89,185

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.80 : 89,185 = 63,615.80 : x
  2. Step 2: Convert to fraction form
    63,615.80/89,185 = 63,615.80/x
  3. Step 3: Cross multiply
    63,615.80x = 89,185 × 63,615.80
  4. Step 4: Simplify right side
    63,615.80x = 5,673,575,123
  5. Step 5: Solve for x
    x = 5,673,575,123/63,615.80
  6. Step 6: Final answer
    x = 89,185

Related Problems

Find fourth proportional to 31,807.90, 44,592.50 and 31,807.90
Half scale
Find fourth proportional to 127,231.60, 178,370 and 127,231.60
Double scale
Find fourth proportional to 63,616.80, 89,186.40 and 63,616.80
Similar ratio
Find fourth proportional to 95,423.70, 133,777.50 and 95,423.70
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.