Home / 50,340.12-75,500.10-47,842.20

Finding the Fourth Proportional to 50,340.12, 75,500.10 and 47,842.20

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Solution

The fourth proportional to 50,340.12, 75,500.10 and 47,842.20 is: 71,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,340.12 : 75,500.10 = 47,842.20 : x
  2. Step 2: Convert to fraction form
    50,340.12/75,500.10 = 47,842.20/x
  3. Step 3: Cross multiply
    50,340.12x = 75,500.10 × 47,842.20
  4. Step 4: Simplify right side
    50,340.12x = 3,612,090,884.22
  5. Step 5: Solve for x
    x = 3,612,090,884.22/50,340.12
  6. Step 6: Final answer
    x = 71,753.72

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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.