Home / 87,682.44-120,972.72-49,437.18

Finding the Fourth Proportional to 87,682.44, 120,972.72 and 49,437.18

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Solution

The fourth proportional to 87,682.44, 120,972.72 and 49,437.18 is: 68,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,682.44 : 120,972.72 = 49,437.18 : x
  2. Step 2: Convert to fraction form
    87,682.44/120,972.72 = 49,437.18/x
  3. Step 3: Cross multiply
    87,682.44x = 120,972.72 × 49,437.18
  4. Step 4: Simplify right side
    87,682.44x = 5,980,550,133.73
  5. Step 5: Solve for x
    x = 5,980,550,133.73/87,682.44
  6. Step 6: Final answer
    x = 68,206.93

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1.5x scale

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.