Home / 87,852.78-121,236.66-47,566.58

Finding the Fourth Proportional to 87,852.78, 121,236.66 and 47,566.58

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Solution

The fourth proportional to 87,852.78, 121,236.66 and 47,566.58 is: 65,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.78 : 121,236.66 = 47,566.58 : x
  2. Step 2: Convert to fraction form
    87,852.78/121,236.66 = 47,566.58/x
  3. Step 3: Cross multiply
    87,852.78x = 121,236.66 × 47,566.58
  4. Step 4: Simplify right side
    87,852.78x = 5,766,813,048.99
  5. Step 5: Solve for x
    x = 5,766,813,048.99/87,852.78
  6. Step 6: Final answer
    x = 65,641.78

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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.