Home / 83,310.12-114,970.86-45,587.88

Finding the Fourth Proportional to 83,310.12, 114,970.86 and 45,587.88

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Solution

The fourth proportional to 83,310.12, 114,970.86 and 45,587.88 is: 62,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,310.12 : 114,970.86 = 45,587.88 : x
  2. Step 2: Convert to fraction form
    83,310.12/114,970.86 = 45,587.88/x
  3. Step 3: Cross multiply
    83,310.12x = 114,970.86 × 45,587.88
  4. Step 4: Simplify right side
    83,310.12x = 5,241,277,769.18
  5. Step 5: Solve for x
    x = 5,241,277,769.18/83,310.12
  6. Step 6: Final answer
    x = 62,912.86

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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.