Home / 83,502.29-115,180.87-54,823.43

Finding the Fourth Proportional to 83,502.29, 115,180.87 and 54,823.43

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Solution

The fourth proportional to 83,502.29, 115,180.87 and 54,823.43 is: 75,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,502.29 : 115,180.87 = 54,823.43 : x
  2. Step 2: Convert to fraction form
    83,502.29/115,180.87 = 54,823.43/x
  3. Step 3: Cross multiply
    83,502.29x = 115,180.87 × 54,823.43
  4. Step 4: Simplify right side
    83,502.29x = 6,314,609,513.76
  5. Step 5: Solve for x
    x = 6,314,609,513.76/83,502.29
  6. Step 6: Final answer
    x = 75,622.00

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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.