Home / 94,127.28-129,909.24-56,405.04

Finding the Fourth Proportional to 94,127.28, 129,909.24 and 56,405.04

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Solution

The fourth proportional to 94,127.28, 129,909.24 and 56,405.04 is: 77,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,127.28 : 129,909.24 = 56,405.04 : x
  2. Step 2: Convert to fraction form
    94,127.28/129,909.24 = 56,405.04/x
  3. Step 3: Cross multiply
    94,127.28x = 129,909.24 × 56,405.04
  4. Step 4: Simplify right side
    94,127.28x = 7,327,535,878.57
  5. Step 5: Solve for x
    x = 7,327,535,878.57/94,127.28
  6. Step 6: Final answer
    x = 77,847.10

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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.