Home / 91,761.76-137,549.70-62,182.60

Finding the Fourth Proportional to 91,761.76, 137,549.70 and 62,182.60

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Solution

The fourth proportional to 91,761.76, 137,549.70 and 62,182.60 is: 93,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.76 : 137,549.70 = 62,182.60 : x
  2. Step 2: Convert to fraction form
    91,761.76/137,549.70 = 62,182.60/x
  3. Step 3: Cross multiply
    91,761.76x = 137,549.70 × 62,182.60
  4. Step 4: Simplify right side
    91,761.76x = 8,553,197,975.22
  5. Step 5: Solve for x
    x = 8,553,197,975.22/91,761.76
  6. Step 6: Final answer
    x = 93,210.92

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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.