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Finding the Fourth Proportional to 73,355.98, 109,959.53 and 41,700.64

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Solution

The fourth proportional to 73,355.98, 109,959.53 and 41,700.64 is: 62,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,355.98 : 109,959.53 = 41,700.64 : x
  2. Step 2: Convert to fraction form
    73,355.98/109,959.53 = 41,700.64/x
  3. Step 3: Cross multiply
    73,355.98x = 109,959.53 × 41,700.64
  4. Step 4: Simplify right side
    73,355.98x = 4,585,382,445.93
  5. Step 5: Solve for x
    x = 4,585,382,445.93/73,355.98
  6. Step 6: Final answer
    x = 62,508.63

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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.