Home / 87,363.72-120,558.36-49,122.18

Finding the Fourth Proportional to 87,363.72, 120,558.36 and 49,122.18

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Solution

The fourth proportional to 87,363.72, 120,558.36 and 49,122.18 is: 67,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.72 : 120,558.36 = 49,122.18 : x
  2. Step 2: Convert to fraction form
    87,363.72/120,558.36 = 49,122.18/x
  3. Step 3: Cross multiply
    87,363.72x = 120,558.36 × 49,122.18
  4. Step 4: Simplify right side
    87,363.72x = 5,922,089,460.42
  5. Step 5: Solve for x
    x = 5,922,089,460.42/87,363.72
  6. Step 6: Final answer
    x = 67,786.60

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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.