Home / 60,559.38-90,839.61-21,116.43

Finding the Fourth Proportional to 60,559.38, 90,839.61 and 21,116.43

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Solution

The fourth proportional to 60,559.38, 90,839.61 and 21,116.43 is: 31,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.38 : 90,839.61 = 21,116.43 : x
  2. Step 2: Convert to fraction form
    60,559.38/90,839.61 = 21,116.43/x
  3. Step 3: Cross multiply
    60,559.38x = 90,839.61 × 21,116.43
  4. Step 4: Simplify right side
    60,559.38x = 1,918,208,265.79
  5. Step 5: Solve for x
    x = 1,918,208,265.79/60,559.38
  6. Step 6: Final answer
    x = 31,674.83

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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.