Home / 91,621.74-137,345.13-29,251.74

Finding the Fourth Proportional to 91,621.74, 137,345.13 and 29,251.74

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Solution

The fourth proportional to 91,621.74, 137,345.13 and 29,251.74 is: 43,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,621.74 : 137,345.13 = 29,251.74 : x
  2. Step 2: Convert to fraction form
    91,621.74/137,345.13 = 29,251.74/x
  3. Step 3: Cross multiply
    91,621.74x = 137,345.13 × 29,251.74
  4. Step 4: Simplify right side
    91,621.74x = 4,017,584,033.03
  5. Step 5: Solve for x
    x = 4,017,584,033.03/91,621.74
  6. Step 6: Final answer
    x = 43,849.68

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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.