Home / 87,852.62-121,236.10-47,565.54

Finding the Fourth Proportional to 87,852.62, 121,236.10 and 47,565.54

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Solution

The fourth proportional to 87,852.62, 121,236.10 and 47,565.54 is: 65,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.62 : 121,236.10 = 47,565.54 : x
  2. Step 2: Convert to fraction form
    87,852.62/121,236.10 = 47,565.54/x
  3. Step 3: Cross multiply
    87,852.62x = 121,236.10 × 47,565.54
  4. Step 4: Simplify right side
    87,852.62x = 5,766,660,168.82
  5. Step 5: Solve for x
    x = 5,766,660,168.82/87,852.62
  6. Step 6: Final answer
    x = 65,640.16

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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.