Home / 50,642.60-69,900.39-29,134.80

Finding the Fourth Proportional to 50,642.60, 69,900.39 and 29,134.80

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Solution

The fourth proportional to 50,642.60, 69,900.39 and 29,134.80 is: 40,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.60 : 69,900.39 = 29,134.80 : x
  2. Step 2: Convert to fraction form
    50,642.60/69,900.39 = 29,134.80/x
  3. Step 3: Cross multiply
    50,642.60x = 69,900.39 × 29,134.80
  4. Step 4: Simplify right side
    50,642.60x = 2,036,533,882.57
  5. Step 5: Solve for x
    x = 2,036,533,882.57/50,642.60
  6. Step 6: Final answer
    x = 40,213.85

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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.