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Finding the Fourth Proportional to 60,924.48, 91,134 and 57,192

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Solution

The fourth proportional to 60,924.48, 91,134 and 57,192 is: 85,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,924.48 : 91,134 = 57,192 : x
  2. Step 2: Convert to fraction form
    60,924.48/91,134 = 57,192/x
  3. Step 3: Cross multiply
    60,924.48x = 91,134 × 57,192
  4. Step 4: Simplify right side
    60,924.48x = 5,212,135,728
  5. Step 5: Solve for x
    x = 5,212,135,728/60,924.48
  6. Step 6: Final answer
    x = 85,550.76

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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.