Home / 88,515.13-122,149.34-48,229.22

Finding the Fourth Proportional to 88,515.13, 122,149.34 and 48,229.22

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Solution

The fourth proportional to 88,515.13, 122,149.34 and 48,229.22 is: 66,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,515.13 : 122,149.34 = 48,229.22 : x
  2. Step 2: Convert to fraction form
    88,515.13/122,149.34 = 48,229.22/x
  3. Step 3: Cross multiply
    88,515.13x = 122,149.34 × 48,229.22
  4. Step 4: Simplify right side
    88,515.13x = 5,891,167,150.57
  5. Step 5: Solve for x
    x = 5,891,167,150.57/88,515.13
  6. Step 6: Final answer
    x = 66,555.48

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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.