Home / 82,736.10-124,104.15-69,614.10

Finding the Fourth Proportional to 82,736.10, 124,104.15 and 69,614.10

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Solution

The fourth proportional to 82,736.10, 124,104.15 and 69,614.10 is: 104,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,736.10 : 124,104.15 = 69,614.10 : x
  2. Step 2: Convert to fraction form
    82,736.10/124,104.15 = 69,614.10/x
  3. Step 3: Cross multiply
    82,736.10x = 124,104.15 × 69,614.10
  4. Step 4: Simplify right side
    82,736.10x = 8,639,398,708.52
  5. Step 5: Solve for x
    x = 8,639,398,708.52/82,736.10
  6. Step 6: Final answer
    x = 104,421.15

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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.