Home / 88,213.93-121,726.42-49,965.84

Finding the Fourth Proportional to 88,213.93, 121,726.42 and 49,965.84

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Solution

The fourth proportional to 88,213.93, 121,726.42 and 49,965.84 is: 68,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.93 : 121,726.42 = 49,965.84 : x
  2. Step 2: Convert to fraction form
    88,213.93/121,726.42 = 49,965.84/x
  3. Step 3: Cross multiply
    88,213.93x = 121,726.42 × 49,965.84
  4. Step 4: Simplify right side
    88,213.93x = 6,082,162,700.58
  5. Step 5: Solve for x
    x = 6,082,162,700.58/88,213.93
  6. Step 6: Final answer
    x = 68,947.87

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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.