Home / 83,863.46-125,629.13-54,302.10

Finding the Fourth Proportional to 83,863.46, 125,629.13 and 54,302.10

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Solution

The fourth proportional to 83,863.46, 125,629.13 and 54,302.10 is: 81,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.46 : 125,629.13 = 54,302.10 : x
  2. Step 2: Convert to fraction form
    83,863.46/125,629.13 = 54,302.10/x
  3. Step 3: Cross multiply
    83,863.46x = 125,629.13 × 54,302.10
  4. Step 4: Simplify right side
    83,863.46x = 6,821,925,308.66
  5. Step 5: Solve for x
    x = 6,821,925,308.66/83,863.46
  6. Step 6: Final answer
    x = 81,345.63

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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.