Home / 80,984.42-111,757.75-44,686.20

Finding the Fourth Proportional to 80,984.42, 111,757.75 and 44,686.20

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Solution

The fourth proportional to 80,984.42, 111,757.75 and 44,686.20 is: 61,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,984.42 : 111,757.75 = 44,686.20 : x
  2. Step 2: Convert to fraction form
    80,984.42/111,757.75 = 44,686.20/x
  3. Step 3: Cross multiply
    80,984.42x = 111,757.75 × 44,686.20
  4. Step 4: Simplify right side
    80,984.42x = 4,994,029,168.05
  5. Step 5: Solve for x
    x = 4,994,029,168.05/80,984.42
  6. Step 6: Final answer
    x = 61,666.54

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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.