Home / 57,738.61-79,616.84-50,119.65

Finding the Fourth Proportional to 57,738.61, 79,616.84 and 50,119.65

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Solution

The fourth proportional to 57,738.61, 79,616.84 and 50,119.65 is: 69,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,738.61 : 79,616.84 = 50,119.65 : x
  2. Step 2: Convert to fraction form
    57,738.61/79,616.84 = 50,119.65/x
  3. Step 3: Cross multiply
    57,738.61x = 79,616.84 × 50,119.65
  4. Step 4: Simplify right side
    57,738.61x = 3,990,368,154.91
  5. Step 5: Solve for x
    x = 3,990,368,154.91/57,738.61
  6. Step 6: Final answer
    x = 69,110.91

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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.