Home / 91,552.44-137,348.25-28,371.16

Finding the Fourth Proportional to 91,552.44, 137,348.25 and 28,371.16

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Solution

The fourth proportional to 91,552.44, 137,348.25 and 28,371.16 is: 42,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.44 : 137,348.25 = 28,371.16 : x
  2. Step 2: Convert to fraction form
    91,552.44/137,348.25 = 28,371.16/x
  3. Step 3: Cross multiply
    91,552.44x = 137,348.25 × 28,371.16
  4. Step 4: Simplify right side
    91,552.44x = 3,896,729,176.47
  5. Step 5: Solve for x
    x = 3,896,729,176.47/91,552.44
  6. Step 6: Final answer
    x = 42,562.81

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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.