Home / 99,306.91-137,044.43-53,984.98

Finding the Fourth Proportional to 99,306.91, 137,044.43 and 53,984.98

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Solution

The fourth proportional to 99,306.91, 137,044.43 and 53,984.98 is: 74,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.91 : 137,044.43 = 53,984.98 : x
  2. Step 2: Convert to fraction form
    99,306.91/137,044.43 = 53,984.98/x
  3. Step 3: Cross multiply
    99,306.91x = 137,044.43 × 53,984.98
  4. Step 4: Simplify right side
    99,306.91x = 7,398,340,812.66
  5. Step 5: Solve for x
    x = 7,398,340,812.66/99,306.91
  6. Step 6: Final answer
    x = 74,499.76

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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.