Home / 87,240.96-120,396.24-49,518.72

Finding the Fourth Proportional to 87,240.96, 120,396.24 and 49,518.72

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Solution

The fourth proportional to 87,240.96, 120,396.24 and 49,518.72 is: 68,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,240.96 : 120,396.24 = 49,518.72 : x
  2. Step 2: Convert to fraction form
    87,240.96/120,396.24 = 49,518.72/x
  3. Step 3: Cross multiply
    87,240.96x = 120,396.24 × 49,518.72
  4. Step 4: Simplify right side
    87,240.96x = 5,961,867,697.61
  5. Step 5: Solve for x
    x = 5,961,867,697.61/87,240.96
  6. Step 6: Final answer
    x = 68,337.94

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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.