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Finding the Fourth Proportional to 65,600.88, 98,318.22 and 41,899.32

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Solution

The fourth proportional to 65,600.88, 98,318.22 and 41,899.32 is: 62,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.88 : 98,318.22 = 41,899.32 : x
  2. Step 2: Convert to fraction form
    65,600.88/98,318.22 = 41,899.32/x
  3. Step 3: Cross multiply
    65,600.88x = 98,318.22 × 41,899.32
  4. Step 4: Simplify right side
    65,600.88x = 4,119,466,561.61
  5. Step 5: Solve for x
    x = 4,119,466,561.61/65,600.88
  6. Step 6: Final answer
    x = 62,795.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.