Home / 71,500.62-98,685.21-41,290.86

Finding the Fourth Proportional to 71,500.62, 98,685.21 and 41,290.86

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Solution

The fourth proportional to 71,500.62, 98,685.21 and 41,290.86 is: 56,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,500.62 : 98,685.21 = 41,290.86 : x
  2. Step 2: Convert to fraction form
    71,500.62/98,685.21 = 41,290.86/x
  3. Step 3: Cross multiply
    71,500.62x = 98,685.21 × 41,290.86
  4. Step 4: Simplify right side
    71,500.62x = 4,074,797,190.18
  5. Step 5: Solve for x
    x = 4,074,797,190.18/71,500.62
  6. Step 6: Final answer
    x = 56,989.68

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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.