Home / 82,149.42-113,366.60-45,854.32

Finding the Fourth Proportional to 82,149.42, 113,366.60 and 45,854.32

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Solution

The fourth proportional to 82,149.42, 113,366.60 and 45,854.32 is: 63,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,149.42 : 113,366.60 = 45,854.32 : x
  2. Step 2: Convert to fraction form
    82,149.42/113,366.60 = 45,854.32/x
  3. Step 3: Cross multiply
    82,149.42x = 113,366.60 × 45,854.32
  4. Step 4: Simplify right side
    82,149.42x = 5,198,348,353.71
  5. Step 5: Solve for x
    x = 5,198,348,353.71/82,149.42
  6. Step 6: Final answer
    x = 63,279.19

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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.