Home / 80,564.74-120,888.04-36,182.42

Finding the Fourth Proportional to 80,564.74, 120,888.04 and 36,182.42

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Solution

The fourth proportional to 80,564.74, 120,888.04 and 36,182.42 is: 54,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.74 : 120,888.04 = 36,182.42 : x
  2. Step 2: Convert to fraction form
    80,564.74/120,888.04 = 36,182.42/x
  3. Step 3: Cross multiply
    80,564.74x = 120,888.04 × 36,182.42
  4. Step 4: Simplify right side
    80,564.74x = 4,374,021,836.26
  5. Step 5: Solve for x
    x = 4,374,021,836.26/80,564.74
  6. Step 6: Final answer
    x = 54,292.01

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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.