Home / 80,288.01-120,357.45-29,659.05

Finding the Fourth Proportional to 80,288.01, 120,357.45 and 29,659.05

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Solution

The fourth proportional to 80,288.01, 120,357.45 and 29,659.05 is: 44,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.01 : 120,357.45 = 29,659.05 : x
  2. Step 2: Convert to fraction form
    80,288.01/120,357.45 = 29,659.05/x
  3. Step 3: Cross multiply
    80,288.01x = 120,357.45 × 29,659.05
  4. Step 4: Simplify right side
    80,288.01x = 3,569,687,627.42
  5. Step 5: Solve for x
    x = 3,569,687,627.42/80,288.01
  6. Step 6: Final answer
    x = 44,461.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.