Home / 80,001.84-120,078.09-40,587.24

Finding the Fourth Proportional to 80,001.84, 120,078.09 and 40,587.24

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Solution

The fourth proportional to 80,001.84, 120,078.09 and 40,587.24 is: 60,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001.84 : 120,078.09 = 40,587.24 : x
  2. Step 2: Convert to fraction form
    80,001.84/120,078.09 = 40,587.24/x
  3. Step 3: Cross multiply
    80,001.84x = 120,078.09 × 40,587.24
  4. Step 4: Simplify right side
    80,001.84x = 4,873,638,257.57
  5. Step 5: Solve for x
    x = 4,873,638,257.57/80,001.84
  6. Step 6: Final answer
    x = 60,919.08

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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.