Home / 87,262.66-120,415.38-49,020.13

Finding the Fourth Proportional to 87,262.66, 120,415.38 and 49,020.13

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Solution

The fourth proportional to 87,262.66, 120,415.38 and 49,020.13 is: 67,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.66 : 120,415.38 = 49,020.13 : x
  2. Step 2: Convert to fraction form
    87,262.66/120,415.38 = 49,020.13/x
  3. Step 3: Cross multiply
    87,262.66x = 120,415.38 × 49,020.13
  4. Step 4: Simplify right side
    87,262.66x = 5,902,777,548.29
  5. Step 5: Solve for x
    x = 5,902,777,548.29/87,262.66
  6. Step 6: Final answer
    x = 67,643.79

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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.