Home / 87,949.98-121,370.04-47,663.82

Finding the Fourth Proportional to 87,949.98, 121,370.04 and 47,663.82

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Solution

The fourth proportional to 87,949.98, 121,370.04 and 47,663.82 is: 65,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949.98 : 121,370.04 = 47,663.82 : x
  2. Step 2: Convert to fraction form
    87,949.98/121,370.04 = 47,663.82/x
  3. Step 3: Cross multiply
    87,949.98x = 121,370.04 × 47,663.82
  4. Step 4: Simplify right side
    87,949.98x = 5,784,959,739.95
  5. Step 5: Solve for x
    x = 5,784,959,739.95/87,949.98
  6. Step 6: Final answer
    x = 65,775.57

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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.