Home / 54,711.20-82,131.60-31,037.60

Finding the Fourth Proportional to 54,711.20, 82,131.60 and 31,037.60

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Solution

The fourth proportional to 54,711.20, 82,131.60 and 31,037.60 is: 46,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.20 : 82,131.60 = 31,037.60 : x
  2. Step 2: Convert to fraction form
    54,711.20/82,131.60 = 31,037.60/x
  3. Step 3: Cross multiply
    54,711.20x = 82,131.60 × 31,037.60
  4. Step 4: Simplify right side
    54,711.20x = 2,549,167,748.16
  5. Step 5: Solve for x
    x = 2,549,167,748.16/54,711.20
  6. Step 6: Final answer
    x = 46,593.16

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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.