Home / 88,418.19-122,015.85-48,132.29

Finding the Fourth Proportional to 88,418.19, 122,015.85 and 48,132.29

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Solution

The fourth proportional to 88,418.19, 122,015.85 and 48,132.29 is: 66,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.19 : 122,015.85 = 48,132.29 : x
  2. Step 2: Convert to fraction form
    88,418.19/122,015.85 = 48,132.29/x
  3. Step 3: Cross multiply
    88,418.19x = 122,015.85 × 48,132.29
  4. Step 4: Simplify right side
    88,418.19x = 5,872,902,276.80
  5. Step 5: Solve for x
    x = 5,872,902,276.80/88,418.19
  6. Step 6: Final answer
    x = 66,421.88

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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.