Home / 83,746.91-115,575.86-47,936.07

Finding the Fourth Proportional to 83,746.91, 115,575.86 and 47,936.07

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Solution

The fourth proportional to 83,746.91, 115,575.86 and 47,936.07 is: 66,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.91 : 115,575.86 = 47,936.07 : x
  2. Step 2: Convert to fraction form
    83,746.91/115,575.86 = 47,936.07/x
  3. Step 3: Cross multiply
    83,746.91x = 115,575.86 × 47,936.07
  4. Step 4: Simplify right side
    83,746.91x = 5,540,252,635.11
  5. Step 5: Solve for x
    x = 5,540,252,635.11/83,746.91
  6. Step 6: Final answer
    x = 66,154.71

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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.