Home / 91,432.47-137,203.22-40,827.59

Finding the Fourth Proportional to 91,432.47, 137,203.22 and 40,827.59

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Solution

The fourth proportional to 91,432.47, 137,203.22 and 40,827.59 is: 61,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432.47 : 137,203.22 = 40,827.59 : x
  2. Step 2: Convert to fraction form
    91,432.47/137,203.22 = 40,827.59/x
  3. Step 3: Cross multiply
    91,432.47x = 137,203.22 × 40,827.59
  4. Step 4: Simplify right side
    91,432.47x = 5,601,675,922.69
  5. Step 5: Solve for x
    x = 5,601,675,922.69/91,432.47
  6. Step 6: Final answer
    x = 61,265.72

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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.