Home / 87,510.22-120,761.31-49,271.74

Finding the Fourth Proportional to 87,510.22, 120,761.31 and 49,271.74

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Solution

The fourth proportional to 87,510.22, 120,761.31 and 49,271.74 is: 67,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510.22 : 120,761.31 = 49,271.74 : x
  2. Step 2: Convert to fraction form
    87,510.22/120,761.31 = 49,271.74/x
  3. Step 3: Cross multiply
    87,510.22x = 120,761.31 × 49,271.74
  4. Step 4: Simplify right side
    87,510.22x = 5,950,119,868.38
  5. Step 5: Solve for x
    x = 5,950,119,868.38/87,510.22
  6. Step 6: Final answer
    x = 67,993.43

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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.