Home / 88,236.98-121,766.64-47,949.98

Finding the Fourth Proportional to 88,236.98, 121,766.64 and 47,949.98

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Solution

The fourth proportional to 88,236.98, 121,766.64 and 47,949.98 is: 66,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.98 : 121,766.64 = 47,949.98 : x
  2. Step 2: Convert to fraction form
    88,236.98/121,766.64 = 47,949.98/x
  3. Step 3: Cross multiply
    88,236.98x = 121,766.64 × 47,949.98
  4. Step 4: Simplify right side
    88,236.98x = 5,838,708,017.33
  5. Step 5: Solve for x
    x = 5,838,708,017.33/88,236.98
  6. Step 6: Final answer
    x = 66,170.76

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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.