Home / 80,280.68-110,786.08-43,981.84

Finding the Fourth Proportional to 80,280.68, 110,786.08 and 43,981.84

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Solution

The fourth proportional to 80,280.68, 110,786.08 and 43,981.84 is: 60,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.68 : 110,786.08 = 43,981.84 : x
  2. Step 2: Convert to fraction form
    80,280.68/110,786.08 = 43,981.84/x
  3. Step 3: Cross multiply
    80,280.68x = 110,786.08 × 43,981.84
  4. Step 4: Simplify right side
    80,280.68x = 4,872,575,644.79
  5. Step 5: Solve for x
    x = 4,872,575,644.79/80,280.68
  6. Step 6: Final answer
    x = 60,694.25

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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.