Home / 113,031.97-155,986.92-62,049.76

Finding the Fourth Proportional to 113,031.97, 155,986.92 and 62,049.76

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Solution

The fourth proportional to 113,031.97, 155,986.92 and 62,049.76 is: 85,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,031.97 : 155,986.92 = 62,049.76 : x
  2. Step 2: Convert to fraction form
    113,031.97/155,986.92 = 62,049.76/x
  3. Step 3: Cross multiply
    113,031.97x = 155,986.92 × 62,049.76
  4. Step 4: Simplify right side
    113,031.97x = 9,678,950,949.14
  5. Step 5: Solve for x
    x = 9,678,950,949.14/113,031.97
  6. Step 6: Final answer
    x = 85,630.21

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1.5x scale

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.