Home / 90,531.56-124,846.76-54,227.19

Finding the Fourth Proportional to 90,531.56, 124,846.76 and 54,227.19

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Solution

The fourth proportional to 90,531.56, 124,846.76 and 54,227.19 is: 74,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.56 : 124,846.76 = 54,227.19 : x
  2. Step 2: Convert to fraction form
    90,531.56/124,846.76 = 54,227.19/x
  3. Step 3: Cross multiply
    90,531.56x = 124,846.76 × 54,227.19
  4. Step 4: Simplify right side
    90,531.56x = 6,770,088,704.27
  5. Step 5: Solve for x
    x = 6,770,088,704.27/90,531.56
  6. Step 6: Final answer
    x = 74,781.54

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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.