Home / 66,520.60-99,793.05-27,081.70

Finding the Fourth Proportional to 66,520.60, 99,793.05 and 27,081.70

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Solution

The fourth proportional to 66,520.60, 99,793.05 and 27,081.70 is: 40,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.60 : 99,793.05 = 27,081.70 : x
  2. Step 2: Convert to fraction form
    66,520.60/99,793.05 = 27,081.70/x
  3. Step 3: Cross multiply
    66,520.60x = 99,793.05 × 27,081.70
  4. Step 4: Simplify right side
    66,520.60x = 2,702,565,442.19
  5. Step 5: Solve for x
    x = 2,702,565,442.19/66,520.60
  6. Step 6: Final answer
    x = 40,627.50

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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.