Home / 70,690.48-97,553.17-38,861.43

Finding the Fourth Proportional to 70,690.48, 97,553.17 and 38,861.43

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Solution

The fourth proportional to 70,690.48, 97,553.17 and 38,861.43 is: 53,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690.48 : 97,553.17 = 38,861.43 : x
  2. Step 2: Convert to fraction form
    70,690.48/97,553.17 = 38,861.43/x
  3. Step 3: Cross multiply
    70,690.48x = 97,553.17 × 38,861.43
  4. Step 4: Simplify right side
    70,690.48x = 3,791,055,687.23
  5. Step 5: Solve for x
    x = 3,791,055,687.23/70,690.48
  6. Step 6: Final answer
    x = 53,628.94

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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.