Home / 90,546.70-124,948.38-54,756.44

Finding the Fourth Proportional to 90,546.70, 124,948.38 and 54,756.44

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Solution

The fourth proportional to 90,546.70, 124,948.38 and 54,756.44 is: 75,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.70 : 124,948.38 = 54,756.44 : x
  2. Step 2: Convert to fraction form
    90,546.70/124,948.38 = 54,756.44/x
  3. Step 3: Cross multiply
    90,546.70x = 124,948.38 × 54,756.44
  4. Step 4: Simplify right side
    90,546.70x = 6,841,728,472.57
  5. Step 5: Solve for x
    x = 6,841,728,472.57/90,546.70
  6. Step 6: Final answer
    x = 75,560.22

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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.