Home / 85,205.18-127,793.91-40,226.45

Finding the Fourth Proportional to 85,205.18, 127,793.91 and 40,226.45

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Solution

The fourth proportional to 85,205.18, 127,793.91 and 40,226.45 is: 60,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,205.18 : 127,793.91 = 40,226.45 : x
  2. Step 2: Convert to fraction form
    85,205.18/127,793.91 = 40,226.45/x
  3. Step 3: Cross multiply
    85,205.18x = 127,793.91 × 40,226.45
  4. Step 4: Simplify right side
    85,205.18x = 5,140,694,691.95
  5. Step 5: Solve for x
    x = 5,140,694,691.95/85,205.18
  6. Step 6: Final answer
    x = 60,333.12

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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.