Home / 88,617.20-122,291.36-48,330.24

Finding the Fourth Proportional to 88,617.20, 122,291.36 and 48,330.24

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Solution

The fourth proportional to 88,617.20, 122,291.36 and 48,330.24 is: 66,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.20 : 122,291.36 = 48,330.24 : x
  2. Step 2: Convert to fraction form
    88,617.20/122,291.36 = 48,330.24/x
  3. Step 3: Cross multiply
    88,617.20x = 122,291.36 × 48,330.24
  4. Step 4: Simplify right side
    88,617.20x = 5,910,370,778.73
  5. Step 5: Solve for x
    x = 5,910,370,778.73/88,617.20
  6. Step 6: Final answer
    x = 66,695.53

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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.