Home / 80,032.96-120,122.09-42,624.73

Finding the Fourth Proportional to 80,032.96, 120,122.09 and 42,624.73

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Solution

The fourth proportional to 80,032.96, 120,122.09 and 42,624.73 is: 63,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,032.96 : 120,122.09 = 42,624.73 : x
  2. Step 2: Convert to fraction form
    80,032.96/120,122.09 = 42,624.73/x
  3. Step 3: Cross multiply
    80,032.96x = 120,122.09 × 42,624.73
  4. Step 4: Simplify right side
    80,032.96x = 5,120,171,750.16
  5. Step 5: Solve for x
    x = 5,120,171,750.16/80,032.96
  6. Step 6: Final answer
    x = 63,975.79

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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.