Home / 80,682.40-111,343.14-44,872.43

Finding the Fourth Proportional to 80,682.40, 111,343.14 and 44,872.43

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Solution

The fourth proportional to 80,682.40, 111,343.14 and 44,872.43 is: 61,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.40 : 111,343.14 = 44,872.43 : x
  2. Step 2: Convert to fraction form
    80,682.40/111,343.14 = 44,872.43/x
  3. Step 3: Cross multiply
    80,682.40x = 111,343.14 × 44,872.43
  4. Step 4: Simplify right side
    80,682.40x = 4,996,237,089.45
  5. Step 5: Solve for x
    x = 4,996,237,089.45/80,682.40
  6. Step 6: Final answer
    x = 61,924.75

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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.