Home / 91,836.25-137,754.38-36,432.25

Finding the Fourth Proportional to 91,836.25, 137,754.38 and 36,432.25

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Solution

The fourth proportional to 91,836.25, 137,754.38 and 36,432.25 is: 54,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,836.25 : 137,754.38 = 36,432.25 : x
  2. Step 2: Convert to fraction form
    91,836.25/137,754.38 = 36,432.25/x
  3. Step 3: Cross multiply
    91,836.25x = 137,754.38 × 36,432.25
  4. Step 4: Simplify right side
    91,836.25x = 5,018,702,010.76
  5. Step 5: Solve for x
    x = 5,018,702,010.76/91,836.25
  6. Step 6: Final answer
    x = 54,648.38

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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.