Home / 70,576.20-97,396.26-38,748

Finding the Fourth Proportional to 70,576.20, 97,396.26 and 38,748

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Solution

The fourth proportional to 70,576.20, 97,396.26 and 38,748 is: 53,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576.20 : 97,396.26 = 38,748 : x
  2. Step 2: Convert to fraction form
    70,576.20/97,396.26 = 38,748/x
  3. Step 3: Cross multiply
    70,576.20x = 97,396.26 × 38,748
  4. Step 4: Simplify right side
    70,576.20x = 3,773,910,282.48
  5. Step 5: Solve for x
    x = 3,773,910,282.48/70,576.20
  6. Step 6: Final answer
    x = 53,472.85

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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.