Home / 83,756.74-115,592.43-47,951.86

Finding the Fourth Proportional to 83,756.74, 115,592.43 and 47,951.86

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Solution

The fourth proportional to 83,756.74, 115,592.43 and 47,951.86 is: 66,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.74 : 115,592.43 = 47,951.86 : x
  2. Step 2: Convert to fraction form
    83,756.74/115,592.43 = 47,951.86/x
  3. Step 3: Cross multiply
    83,756.74x = 115,592.43 × 47,951.86
  4. Step 4: Simplify right side
    83,756.74x = 5,542,872,020.42
  5. Step 5: Solve for x
    x = 5,542,872,020.42/83,756.74
  6. Step 6: Final answer
    x = 66,178.22

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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.