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Finding the Fourth Proportional to 64,060.49, 88,404.14 and 35,380.87

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Solution

The fourth proportional to 64,060.49, 88,404.14 and 35,380.87 is: 48,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,060.49 : 88,404.14 = 35,380.87 : x
  2. Step 2: Convert to fraction form
    64,060.49/88,404.14 = 35,380.87/x
  3. Step 3: Cross multiply
    64,060.49x = 88,404.14 × 35,380.87
  4. Step 4: Simplify right side
    64,060.49x = 3,127,814,986.89
  5. Step 5: Solve for x
    x = 3,127,814,986.89/64,060.49
  6. Step 6: Final answer
    x = 48,825.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.