Home / 80,682.78-111,343.66-44,872.80

Finding the Fourth Proportional to 80,682.78, 111,343.66 and 44,872.80

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Solution

The fourth proportional to 80,682.78, 111,343.66 and 44,872.80 is: 61,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.78 : 111,343.66 = 44,872.80 : x
  2. Step 2: Convert to fraction form
    80,682.78/111,343.66 = 44,872.80/x
  3. Step 3: Cross multiply
    80,682.78x = 111,343.66 × 44,872.80
  4. Step 4: Simplify right side
    80,682.78x = 4,996,301,786.45
  5. Step 5: Solve for x
    x = 4,996,301,786.45/80,682.78
  6. Step 6: Final answer
    x = 61,925.26

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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.