Home / 91,801.27-137,591.17-47,403.82

Finding the Fourth Proportional to 91,801.27, 137,591.17 and 47,403.82

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Solution

The fourth proportional to 91,801.27, 137,591.17 and 47,403.82 is: 71,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,801.27 : 137,591.17 = 47,403.82 : x
  2. Step 2: Convert to fraction form
    91,801.27/137,591.17 = 47,403.82/x
  3. Step 3: Cross multiply
    91,801.27x = 137,591.17 × 47,403.82
  4. Step 4: Simplify right side
    91,801.27x = 6,522,347,056.27
  5. Step 5: Solve for x
    x = 6,522,347,056.27/91,801.27
  6. Step 6: Final answer
    x = 71,048.55

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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.