Home / 79,565.24-109,802.85-43,758.02

Finding the Fourth Proportional to 79,565.24, 109,802.85 and 43,758.02

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Solution

The fourth proportional to 79,565.24, 109,802.85 and 43,758.02 is: 60,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.24 : 109,802.85 = 43,758.02 : x
  2. Step 2: Convert to fraction form
    79,565.24/109,802.85 = 43,758.02/x
  3. Step 3: Cross multiply
    79,565.24x = 109,802.85 × 43,758.02
  4. Step 4: Simplify right side
    79,565.24x = 4,804,755,306.36
  5. Step 5: Solve for x
    x = 4,804,755,306.36/79,565.24
  6. Step 6: Final answer
    x = 60,387.62

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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.