Home / 83,358.44-115,036.26-45,631.88

Finding the Fourth Proportional to 83,358.44, 115,036.26 and 45,631.88

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Solution

The fourth proportional to 83,358.44, 115,036.26 and 45,631.88 is: 62,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.44 : 115,036.26 = 45,631.88 : x
  2. Step 2: Convert to fraction form
    83,358.44/115,036.26 = 45,631.88/x
  3. Step 3: Cross multiply
    83,358.44x = 115,036.26 × 45,631.88
  4. Step 4: Simplify right side
    83,358.44x = 5,249,320,811.97
  5. Step 5: Solve for x
    x = 5,249,320,811.97/83,358.44
  6. Step 6: Final answer
    x = 62,972.88

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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.