Home / 80,527.35-120,793.56-38,412.01

Finding the Fourth Proportional to 80,527.35, 120,793.56 and 38,412.01

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Solution

The fourth proportional to 80,527.35, 120,793.56 and 38,412.01 is: 57,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,527.35 : 120,793.56 = 38,412.01 : x
  2. Step 2: Convert to fraction form
    80,527.35/120,793.56 = 38,412.01/x
  3. Step 3: Cross multiply
    80,527.35x = 120,793.56 × 38,412.01
  4. Step 4: Simplify right side
    80,527.35x = 4,639,923,434.66
  5. Step 5: Solve for x
    x = 4,639,923,434.66/80,527.35
  6. Step 6: Final answer
    x = 57,619.22

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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.