Home / 91,764.97-137,631.05-58,385.88

Finding the Fourth Proportional to 91,764.97, 137,631.05 and 58,385.88

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Solution

The fourth proportional to 91,764.97, 137,631.05 and 58,385.88 is: 87,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764.97 : 137,631.05 = 58,385.88 : x
  2. Step 2: Convert to fraction form
    91,764.97/137,631.05 = 58,385.88/x
  3. Step 3: Cross multiply
    91,764.97x = 137,631.05 × 58,385.88
  4. Step 4: Simplify right side
    91,764.97x = 8,035,710,723.54
  5. Step 5: Solve for x
    x = 8,035,710,723.54/91,764.97
  6. Step 6: Final answer
    x = 87,568.39

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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.