Home / 71,162.58-98,204.66-38,897.85

Finding the Fourth Proportional to 71,162.58, 98,204.66 and 38,897.85

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Solution

The fourth proportional to 71,162.58, 98,204.66 and 38,897.85 is: 53,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,162.58 : 98,204.66 = 38,897.85 : x
  2. Step 2: Convert to fraction form
    71,162.58/98,204.66 = 38,897.85/x
  3. Step 3: Cross multiply
    71,162.58x = 98,204.66 × 38,897.85
  4. Step 4: Simplify right side
    71,162.58x = 3,819,949,939.49
  5. Step 5: Solve for x
    x = 3,819,949,939.49/71,162.58
  6. Step 6: Final answer
    x = 53,679.19

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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.