Home / 88,275.18-121,822.14-47,991.66

Finding the Fourth Proportional to 88,275.18, 121,822.14 and 47,991.66

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Solution

The fourth proportional to 88,275.18, 121,822.14 and 47,991.66 is: 66,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.18 : 121,822.14 = 47,991.66 : x
  2. Step 2: Convert to fraction form
    88,275.18/121,822.14 = 47,991.66/x
  3. Step 3: Cross multiply
    88,275.18x = 121,822.14 × 47,991.66
  4. Step 4: Simplify right side
    88,275.18x = 5,846,446,723.35
  5. Step 5: Solve for x
    x = 5,846,446,723.35/88,275.18
  6. Step 6: Final answer
    x = 66,229.79

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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.