Home / 91,403.48-137,125.71-32,239.64

Finding the Fourth Proportional to 91,403.48, 137,125.71 and 32,239.64

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Solution

The fourth proportional to 91,403.48, 137,125.71 and 32,239.64 is: 48,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,403.48 : 137,125.71 = 32,239.64 : x
  2. Step 2: Convert to fraction form
    91,403.48/137,125.71 = 32,239.64/x
  3. Step 3: Cross multiply
    91,403.48x = 137,125.71 × 32,239.64
  4. Step 4: Simplify right side
    91,403.48x = 4,420,882,839.52
  5. Step 5: Solve for x
    x = 4,420,882,839.52/91,403.48
  6. Step 6: Final answer
    x = 48,366.68

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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.