Home / 91,552.02-137,320.25-28,370.75

Finding the Fourth Proportional to 91,552.02, 137,320.25 and 28,370.75

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Solution

The fourth proportional to 91,552.02, 137,320.25 and 28,370.75 is: 42,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.02 : 137,320.25 = 28,370.75 : x
  2. Step 2: Convert to fraction form
    91,552.02/137,320.25 = 28,370.75/x
  3. Step 3: Cross multiply
    91,552.02x = 137,320.25 × 28,370.75
  4. Step 4: Simplify right side
    91,552.02x = 3,895,877,654.23
  5. Step 5: Solve for x
    x = 3,895,877,654.23/91,552.02
  6. Step 6: Final answer
    x = 42,553.71

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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.