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Finding the Fourth Proportional to 73,117.30, 109,724.55 and 41,527.30

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Solution

The fourth proportional to 73,117.30, 109,724.55 and 41,527.30 is: 62,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.30 : 109,724.55 = 41,527.30 : x
  2. Step 2: Convert to fraction form
    73,117.30/109,724.55 = 41,527.30/x
  3. Step 3: Cross multiply
    73,117.30x = 109,724.55 × 41,527.30
  4. Step 4: Simplify right side
    73,117.30x = 4,556,564,305.22
  5. Step 5: Solve for x
    x = 4,556,564,305.22/73,117.30
  6. Step 6: Final answer
    x = 62,318.55

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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.