Home / 49,400.60-68,350.02-43,131.20

Finding the Fourth Proportional to 49,400.60, 68,350.02 and 43,131.20

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Solution

The fourth proportional to 49,400.60, 68,350.02 and 43,131.20 is: 59,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.60 : 68,350.02 = 43,131.20 : x
  2. Step 2: Convert to fraction form
    49,400.60/68,350.02 = 43,131.20/x
  3. Step 3: Cross multiply
    49,400.60x = 68,350.02 × 43,131.20
  4. Step 4: Simplify right side
    49,400.60x = 2,948,018,382.62
  5. Step 5: Solve for x
    x = 2,948,018,382.62/49,400.60
  6. Step 6: Final answer
    x = 59,675.76

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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.