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Finding the Fourth Proportional to 64,213.60, 96,801.67 and 59,932

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Solution

The fourth proportional to 64,213.60, 96,801.67 and 59,932 is: 90,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.60 : 96,801.67 = 59,932 : x
  2. Step 2: Convert to fraction form
    64,213.60/96,801.67 = 59,932/x
  3. Step 3: Cross multiply
    64,213.60x = 96,801.67 × 59,932
  4. Step 4: Simplify right side
    64,213.60x = 5,801,517,686.44
  5. Step 5: Solve for x
    x = 5,801,517,686.44/64,213.60
  6. Step 6: Final answer
    x = 90,347.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.