Home / 83,568.64-115,319.36-45,834.88

Finding the Fourth Proportional to 83,568.64, 115,319.36 and 45,834.88

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Solution

The fourth proportional to 83,568.64, 115,319.36 and 45,834.88 is: 63,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,568.64 : 115,319.36 = 45,834.88 : x
  2. Step 2: Convert to fraction form
    83,568.64/115,319.36 = 45,834.88/x
  3. Step 3: Cross multiply
    83,568.64x = 115,319.36 × 45,834.88
  4. Step 4: Simplify right side
    83,568.64x = 5,285,649,027.28
  5. Step 5: Solve for x
    x = 5,285,649,027.28/83,568.64
  6. Step 6: Final answer
    x = 63,249.19

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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.