Home / 88,169.89-121,674.42-47,883.66

Finding the Fourth Proportional to 88,169.89, 121,674.42 and 47,883.66

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Solution

The fourth proportional to 88,169.89, 121,674.42 and 47,883.66 is: 66,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.89 : 121,674.42 = 47,883.66 : x
  2. Step 2: Convert to fraction form
    88,169.89/121,674.42 = 47,883.66/x
  3. Step 3: Cross multiply
    88,169.89x = 121,674.42 × 47,883.66
  4. Step 4: Simplify right side
    88,169.89x = 5,826,216,557.98
  5. Step 5: Solve for x
    x = 5,826,216,557.98/88,169.89
  6. Step 6: Final answer
    x = 66,079.44

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1.5x scale

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.