Home / 99,747.43-137,654.18-59,464.51

Finding the Fourth Proportional to 99,747.43, 137,654.18 and 59,464.51

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Solution

The fourth proportional to 99,747.43, 137,654.18 and 59,464.51 is: 82,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.43 : 137,654.18 = 59,464.51 : x
  2. Step 2: Convert to fraction form
    99,747.43/137,654.18 = 59,464.51/x
  3. Step 3: Cross multiply
    99,747.43x = 137,654.18 × 59,464.51
  4. Step 4: Simplify right side
    99,747.43x = 8,185,538,363.15
  5. Step 5: Solve for x
    x = 8,185,538,363.15/99,747.43
  6. Step 6: Final answer
    x = 82,062.65

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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.