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Finding the Fourth Proportional to 64,250.62, 88,706.04 and 41,289.75

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Solution

The fourth proportional to 64,250.62, 88,706.04 and 41,289.75 is: 57,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.62 : 88,706.04 = 41,289.75 : x
  2. Step 2: Convert to fraction form
    64,250.62/88,706.04 = 41,289.75/x
  3. Step 3: Cross multiply
    64,250.62x = 88,706.04 × 41,289.75
  4. Step 4: Simplify right side
    64,250.62x = 3,662,650,060.25
  5. Step 5: Solve for x
    x = 3,662,650,060.25/64,250.62
  6. Step 6: Final answer
    x = 57,005.68

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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.