Home / 82,769.76-114,221.16-45,043.92

Finding the Fourth Proportional to 82,769.76, 114,221.16 and 45,043.92

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Solution

The fourth proportional to 82,769.76, 114,221.16 and 45,043.92 is: 62,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.76 : 114,221.16 = 45,043.92 : x
  2. Step 2: Convert to fraction form
    82,769.76/114,221.16 = 45,043.92/x
  3. Step 3: Cross multiply
    82,769.76x = 114,221.16 × 45,043.92
  4. Step 4: Simplify right side
    82,769.76x = 5,144,968,793.35
  5. Step 5: Solve for x
    x = 5,144,968,793.35/82,769.76
  6. Step 6: Final answer
    x = 62,160.01

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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.