Home / 80,398.04-120,511.98-27,039.23

Finding the Fourth Proportional to 80,398.04, 120,511.98 and 27,039.23

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Solution

The fourth proportional to 80,398.04, 120,511.98 and 27,039.23 is: 40,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,398.04 : 120,511.98 = 27,039.23 : x
  2. Step 2: Convert to fraction form
    80,398.04/120,511.98 = 27,039.23/x
  3. Step 3: Cross multiply
    80,398.04x = 120,511.98 × 27,039.23
  4. Step 4: Simplify right side
    80,398.04x = 3,258,550,542.42
  5. Step 5: Solve for x
    x = 3,258,550,542.42/80,398.04
  6. Step 6: Final answer
    x = 40,530.22

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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.