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Finding the Fourth Proportional to 60,753.62, 91,133.66 and 19,197.38

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Solution

The fourth proportional to 60,753.62, 91,133.66 and 19,197.38 is: 28,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.62 : 91,133.66 = 19,197.38 : x
  2. Step 2: Convert to fraction form
    60,753.62/91,133.66 = 19,197.38/x
  3. Step 3: Cross multiply
    60,753.62x = 91,133.66 × 19,197.38
  4. Step 4: Simplify right side
    60,753.62x = 1,749,527,094.14
  5. Step 5: Solve for x
    x = 1,749,527,094.14/60,753.62
  6. Step 6: Final answer
    x = 28,797.09

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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.