Home / 82,952.10-124,428.15-69,992.10

Finding the Fourth Proportional to 82,952.10, 124,428.15 and 69,992.10

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Solution

The fourth proportional to 82,952.10, 124,428.15 and 69,992.10 is: 104,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.10 : 124,428.15 = 69,992.10 : x
  2. Step 2: Convert to fraction form
    82,952.10/124,428.15 = 69,992.10/x
  3. Step 3: Cross multiply
    82,952.10x = 124,428.15 × 69,992.10
  4. Step 4: Simplify right side
    82,952.10x = 8,708,987,517.62
  5. Step 5: Solve for x
    x = 8,708,987,517.62/82,952.10
  6. Step 6: Final answer
    x = 104,988.15

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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.