Home / 71,924.20-99,255.78-40,092.84

Finding the Fourth Proportional to 71,924.20, 99,255.78 and 40,092.84

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Solution

The fourth proportional to 71,924.20, 99,255.78 and 40,092.84 is: 55,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,924.20 : 99,255.78 = 40,092.84 : x
  2. Step 2: Convert to fraction form
    71,924.20/99,255.78 = 40,092.84/x
  3. Step 3: Cross multiply
    71,924.20x = 99,255.78 × 40,092.84
  4. Step 4: Simplify right side
    71,924.20x = 3,979,446,106.62
  5. Step 5: Solve for x
    x = 3,979,446,106.62/71,924.20
  6. Step 6: Final answer
    x = 55,328.33

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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.