Home / 83,837.52-115,743.60-55,581.48

Finding the Fourth Proportional to 83,837.52, 115,743.60 and 55,581.48

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Solution

The fourth proportional to 83,837.52, 115,743.60 and 55,581.48 is: 76,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,837.52 : 115,743.60 = 55,581.48 : x
  2. Step 2: Convert to fraction form
    83,837.52/115,743.60 = 55,581.48/x
  3. Step 3: Cross multiply
    83,837.52x = 115,743.60 × 55,581.48
  4. Step 4: Simplify right side
    83,837.52x = 6,433,200,588.53
  5. Step 5: Solve for x
    x = 6,433,200,588.53/83,837.52
  6. Step 6: Final answer
    x = 76,734.15

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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.