Home / 83,864.08-125,630.07-54,302.73

Finding the Fourth Proportional to 83,864.08, 125,630.07 and 54,302.73

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Solution

The fourth proportional to 83,864.08, 125,630.07 and 54,302.73 is: 81,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,864.08 : 125,630.07 = 54,302.73 : x
  2. Step 2: Convert to fraction form
    83,864.08/125,630.07 = 54,302.73/x
  3. Step 3: Cross multiply
    83,864.08x = 125,630.07 × 54,302.73
  4. Step 4: Simplify right side
    83,864.08x = 6,822,055,771.09
  5. Step 5: Solve for x
    x = 6,822,055,771.09/83,864.08
  6. Step 6: Final answer
    x = 81,346.58

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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.