Home / 87,263.72-120,415.43-49,014.61

Finding the Fourth Proportional to 87,263.72, 120,415.43 and 49,014.61

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Solution

The fourth proportional to 87,263.72, 120,415.43 and 49,014.61 is: 67,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.72 : 120,415.43 = 49,014.61 : x
  2. Step 2: Convert to fraction form
    87,263.72/120,415.43 = 49,014.61/x
  3. Step 3: Cross multiply
    87,263.72x = 120,415.43 × 49,014.61
  4. Step 4: Simplify right side
    87,263.72x = 5,902,115,160.93
  5. Step 5: Solve for x
    x = 5,902,115,160.93/87,263.72
  6. Step 6: Final answer
    x = 67,635.38

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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.