Home / 83,568.90-115,318.22-45,843.15

Finding the Fourth Proportional to 83,568.90, 115,318.22 and 45,843.15

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Solution

The fourth proportional to 83,568.90, 115,318.22 and 45,843.15 is: 63,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,568.90 : 115,318.22 = 45,843.15 : x
  2. Step 2: Convert to fraction form
    83,568.90/115,318.22 = 45,843.15/x
  3. Step 3: Cross multiply
    83,568.90x = 115,318.22 × 45,843.15
  4. Step 4: Simplify right side
    83,568.90x = 5,286,550,457.19
  5. Step 5: Solve for x
    x = 5,286,550,457.19/83,568.90
  6. Step 6: Final answer
    x = 63,259.78

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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.