Home / 79,927.92-110,281.20-51,234.48

Finding the Fourth Proportional to 79,927.92, 110,281.20 and 51,234.48

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Solution

The fourth proportional to 79,927.92, 110,281.20 and 51,234.48 is: 70,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,927.92 : 110,281.20 = 51,234.48 : x
  2. Step 2: Convert to fraction form
    79,927.92/110,281.20 = 51,234.48/x
  3. Step 3: Cross multiply
    79,927.92x = 110,281.20 × 51,234.48
  4. Step 4: Simplify right side
    79,927.92x = 5,650,199,935.78
  5. Step 5: Solve for x
    x = 5,650,199,935.78/79,927.92
  6. Step 6: Final answer
    x = 70,691.19

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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.