Home / 99,306.14-137,043.06-53,984.48

Finding the Fourth Proportional to 99,306.14, 137,043.06 and 53,984.48

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Solution

The fourth proportional to 99,306.14, 137,043.06 and 53,984.48 is: 74,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.14 : 137,043.06 = 53,984.48 : x
  2. Step 2: Convert to fraction form
    99,306.14/137,043.06 = 53,984.48/x
  3. Step 3: Cross multiply
    99,306.14x = 137,043.06 × 53,984.48
  4. Step 4: Simplify right side
    99,306.14x = 7,398,198,331.71
  5. Step 5: Solve for x
    x = 7,398,198,331.71/99,306.14
  6. Step 6: Final answer
    x = 74,498.90

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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.