Home / 71,176.50-98,222.85-39,343.86

Finding the Fourth Proportional to 71,176.50, 98,222.85 and 39,343.86

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Solution

The fourth proportional to 71,176.50, 98,222.85 and 39,343.86 is: 54,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.50 : 98,222.85 = 39,343.86 : x
  2. Step 2: Convert to fraction form
    71,176.50/98,222.85 = 39,343.86/x
  3. Step 3: Cross multiply
    71,176.50x = 98,222.85 × 39,343.86
  4. Step 4: Simplify right side
    71,176.50x = 3,864,466,059.20
  5. Step 5: Solve for x
    x = 3,864,466,059.20/71,176.50
  6. Step 6: Final answer
    x = 54,294.13

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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.