Home / 90,618.62-136,010.96-48,546.20

Finding the Fourth Proportional to 90,618.62, 136,010.96 and 48,546.20

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Solution

The fourth proportional to 90,618.62, 136,010.96 and 48,546.20 is: 72,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,618.62 : 136,010.96 = 48,546.20 : x
  2. Step 2: Convert to fraction form
    90,618.62/136,010.96 = 48,546.20/x
  3. Step 3: Cross multiply
    90,618.62x = 136,010.96 × 48,546.20
  4. Step 4: Simplify right side
    90,618.62x = 6,602,815,266.35
  5. Step 5: Solve for x
    x = 6,602,815,266.35/90,618.62
  6. Step 6: Final answer
    x = 72,863.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.