Home / 91,600.26-137,419.98-28,419.02

Finding the Fourth Proportional to 91,600.26, 137,419.98 and 28,419.02

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Solution

The fourth proportional to 91,600.26, 137,419.98 and 28,419.02 is: 42,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.26 : 137,419.98 = 28,419.02 : x
  2. Step 2: Convert to fraction form
    91,600.26/137,419.98 = 28,419.02/x
  3. Step 3: Cross multiply
    91,600.26x = 137,419.98 × 28,419.02
  4. Step 4: Simplify right side
    91,600.26x = 3,905,340,472.92
  5. Step 5: Solve for x
    x = 3,905,340,472.92/91,600.26
  6. Step 6: Final answer
    x = 42,634.60

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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.