Home / 45,103.67-67,648.16-15,131.17

Finding the Fourth Proportional to 45,103.67, 67,648.16 and 15,131.17

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Solution

The fourth proportional to 45,103.67, 67,648.16 and 15,131.17 is: 22,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.67 : 67,648.16 = 15,131.17 : x
  2. Step 2: Convert to fraction form
    45,103.67/67,648.16 = 15,131.17/x
  3. Step 3: Cross multiply
    45,103.67x = 67,648.16 × 15,131.17
  4. Step 4: Simplify right side
    45,103.67x = 1,023,595,733.49
  5. Step 5: Solve for x
    x = 1,023,595,733.49/45,103.67
  6. Step 6: Final answer
    x = 22,694.29

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1.5x scale

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.