Home / 91,366.08-137,044.23-29,031.72

Finding the Fourth Proportional to 91,366.08, 137,044.23 and 29,031.72

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Solution

The fourth proportional to 91,366.08, 137,044.23 and 29,031.72 is: 43,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,366.08 : 137,044.23 = 29,031.72 : x
  2. Step 2: Convert to fraction form
    91,366.08/137,044.23 = 29,031.72/x
  3. Step 3: Cross multiply
    91,366.08x = 137,044.23 × 29,031.72
  4. Step 4: Simplify right side
    91,366.08x = 3,978,629,712.98
  5. Step 5: Solve for x
    x = 3,978,629,712.98/91,366.08
  6. Step 6: Final answer
    x = 43,546.03

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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.