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Finding the Fourth Proportional to 60,813.72, 91,159.56 and 25,226.64

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Solution

The fourth proportional to 60,813.72, 91,159.56 and 25,226.64 is: 37,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,813.72 : 91,159.56 = 25,226.64 : x
  2. Step 2: Convert to fraction form
    60,813.72/91,159.56 = 25,226.64/x
  3. Step 3: Cross multiply
    60,813.72x = 91,159.56 × 25,226.64
  4. Step 4: Simplify right side
    60,813.72x = 2,299,649,402.68
  5. Step 5: Solve for x
    x = 2,299,649,402.68/60,813.72
  6. Step 6: Final answer
    x = 37,814.65

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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.