Home / 89,743.73-134,488.71-49,780.35

Finding the Fourth Proportional to 89,743.73, 134,488.71 and 49,780.35

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Solution

The fourth proportional to 89,743.73, 134,488.71 and 49,780.35 is: 74,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.73 : 134,488.71 = 49,780.35 : x
  2. Step 2: Convert to fraction form
    89,743.73/134,488.71 = 49,780.35/x
  3. Step 3: Cross multiply
    89,743.73x = 134,488.71 × 49,780.35
  4. Step 4: Simplify right side
    89,743.73x = 6,694,895,562.66
  5. Step 5: Solve for x
    x = 6,694,895,562.66/89,743.73
  6. Step 6: Final answer
    x = 74,600.14

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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.