Home / 97,921.98-146,861.10-38,770.92

Finding the Fourth Proportional to 97,921.98, 146,861.10 and 38,770.92

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Solution

The fourth proportional to 97,921.98, 146,861.10 and 38,770.92 is: 58,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,921.98 : 146,861.10 = 38,770.92 : x
  2. Step 2: Convert to fraction form
    97,921.98/146,861.10 = 38,770.92/x
  3. Step 3: Cross multiply
    97,921.98x = 146,861.10 × 38,770.92
  4. Step 4: Simplify right side
    97,921.98x = 5,693,939,959.21
  5. Step 5: Solve for x
    x = 5,693,939,959.21/97,921.98
  6. Step 6: Final answer
    x = 58,147.72

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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.