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Finding the Fourth Proportional to 64,295.80, 88,707.70 and 41,652.15

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Solution

The fourth proportional to 64,295.80, 88,707.70 and 41,652.15 is: 57,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.80 : 88,707.70 = 41,652.15 : x
  2. Step 2: Convert to fraction form
    64,295.80/88,707.70 = 41,652.15/x
  3. Step 3: Cross multiply
    64,295.80x = 88,707.70 × 41,652.15
  4. Step 4: Simplify right side
    64,295.80x = 3,694,865,774.76
  5. Step 5: Solve for x
    x = 3,694,865,774.76/64,295.80
  6. Step 6: Final answer
    x = 57,466.68

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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.