Home / 83,221.93-114,837.33-49,231.72

Finding the Fourth Proportional to 83,221.93, 114,837.33 and 49,231.72

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Solution

The fourth proportional to 83,221.93, 114,837.33 and 49,231.72 is: 67,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,221.93 : 114,837.33 = 49,231.72 : x
  2. Step 2: Convert to fraction form
    83,221.93/114,837.33 = 49,231.72/x
  3. Step 3: Cross multiply
    83,221.93x = 114,837.33 × 49,231.72
  4. Step 4: Simplify right side
    83,221.93x = 5,653,639,276.11
  5. Step 5: Solve for x
    x = 5,653,639,276.11/83,221.93
  6. Step 6: Final answer
    x = 67,934.49

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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.