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Finding the Fourth Proportional to 64,104.60, 88,462.62 and 35,031.82

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Solution

The fourth proportional to 64,104.60, 88,462.62 and 35,031.82 is: 48,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.60 : 88,462.62 = 35,031.82 : x
  2. Step 2: Convert to fraction form
    64,104.60/88,462.62 = 35,031.82/x
  3. Step 3: Cross multiply
    64,104.60x = 88,462.62 × 35,031.82
  4. Step 4: Simplify right side
    64,104.60x = 3,099,006,580.57
  5. Step 5: Solve for x
    x = 3,099,006,580.57/64,104.60
  6. Step 6: Final answer
    x = 48,342.97

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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.