Home / 87,852.75-121,236.28-47,565.66

Finding the Fourth Proportional to 87,852.75, 121,236.28 and 47,565.66

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Solution

The fourth proportional to 87,852.75, 121,236.28 and 47,565.66 is: 65,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.75 : 121,236.28 = 47,565.66 : x
  2. Step 2: Convert to fraction form
    87,852.75/121,236.28 = 47,565.66/x
  3. Step 3: Cross multiply
    87,852.75x = 121,236.28 × 47,565.66
  4. Step 4: Simplify right side
    87,852.75x = 5,766,683,436.32
  5. Step 5: Solve for x
    x = 5,766,683,436.32/87,852.75
  6. Step 6: Final answer
    x = 65,640.33

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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.