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Finding the Fourth Proportional to 80,001.34, 120,077.34 and 40,586.74

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Solution

The fourth proportional to 80,001.34, 120,077.34 and 40,586.74 is: 60,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001.34 : 120,077.34 = 40,586.74 : x
  2. Step 2: Convert to fraction form
    80,001.34/120,077.34 = 40,586.74/x
  3. Step 3: Cross multiply
    80,001.34x = 120,077.34 × 40,586.74
  4. Step 4: Simplify right side
    80,001.34x = 4,873,547,778.47
  5. Step 5: Solve for x
    x = 4,873,547,778.47/80,001.34
  6. Step 6: Final answer
    x = 60,918.33

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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.