Home / 80,101.05-120,164.03-26,776.52

Finding the Fourth Proportional to 80,101.05, 120,164.03 and 26,776.52

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Solution

The fourth proportional to 80,101.05, 120,164.03 and 26,776.52 is: 40,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,101.05 : 120,164.03 = 26,776.52 : x
  2. Step 2: Convert to fraction form
    80,101.05/120,164.03 = 26,776.52/x
  3. Step 3: Cross multiply
    80,101.05x = 120,164.03 × 26,776.52
  4. Step 4: Simplify right side
    80,101.05x = 3,217,574,368.90
  5. Step 5: Solve for x
    x = 3,217,574,368.90/80,101.05
  6. Step 6: Final answer
    x = 40,168.94

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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.