Home / 51,132.90-76,604.27-27,778.98

Finding the Fourth Proportional to 51,132.90, 76,604.27 and 27,778.98

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Solution

The fourth proportional to 51,132.90, 76,604.27 and 27,778.98 is: 41,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.90 : 76,604.27 = 27,778.98 : x
  2. Step 2: Convert to fraction form
    51,132.90/76,604.27 = 27,778.98/x
  3. Step 3: Cross multiply
    51,132.90x = 76,604.27 × 27,778.98
  4. Step 4: Simplify right side
    51,132.90x = 2,127,988,484.24
  5. Step 5: Solve for x
    x = 2,127,988,484.24/51,132.90
  6. Step 6: Final answer
    x = 41,616.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.