Home / 83,795.45-115,630.88-49,334.74

Finding the Fourth Proportional to 83,795.45, 115,630.88 and 49,334.74

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Solution

The fourth proportional to 83,795.45, 115,630.88 and 49,334.74 is: 68,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,795.45 : 115,630.88 = 49,334.74 : x
  2. Step 2: Convert to fraction form
    83,795.45/115,630.88 = 49,334.74/x
  3. Step 3: Cross multiply
    83,795.45x = 115,630.88 × 49,334.74
  4. Step 4: Simplify right side
    83,795.45x = 5,704,618,865.02
  5. Step 5: Solve for x
    x = 5,704,618,865.02/83,795.45
  6. Step 6: Final answer
    x = 68,077.91

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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.