Home / 82,470.96-123,605.10-38,036.04

Finding the Fourth Proportional to 82,470.96, 123,605.10 and 38,036.04

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Solution

The fourth proportional to 82,470.96, 123,605.10 and 38,036.04 is: 57,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470.96 : 123,605.10 = 38,036.04 : x
  2. Step 2: Convert to fraction form
    82,470.96/123,605.10 = 38,036.04/x
  3. Step 3: Cross multiply
    82,470.96x = 123,605.10 × 38,036.04
  4. Step 4: Simplify right side
    82,470.96x = 4,701,448,527.80
  5. Step 5: Solve for x
    x = 4,701,448,527.80/82,470.96
  6. Step 6: Final answer
    x = 57,007.32

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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.