Home / 99,425.52-137,154.92-59,110.61

Finding the Fourth Proportional to 99,425.52, 137,154.92 and 59,110.61

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Solution

The fourth proportional to 99,425.52, 137,154.92 and 59,110.61 is: 81,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,425.52 : 137,154.92 = 59,110.61 : x
  2. Step 2: Convert to fraction form
    99,425.52/137,154.92 = 59,110.61/x
  3. Step 3: Cross multiply
    99,425.52x = 137,154.92 × 59,110.61
  4. Step 4: Simplify right side
    99,425.52x = 8,107,310,004.37
  5. Step 5: Solve for x
    x = 8,107,310,004.37/99,425.52
  6. Step 6: Final answer
    x = 81,541.54

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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.