Home / 80,329.67-120,410.96-26,982.06

Finding the Fourth Proportional to 80,329.67, 120,410.96 and 26,982.06

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Solution

The fourth proportional to 80,329.67, 120,410.96 and 26,982.06 is: 40,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.67 : 120,410.96 = 26,982.06 : x
  2. Step 2: Convert to fraction form
    80,329.67/120,410.96 = 26,982.06/x
  3. Step 3: Cross multiply
    80,329.67x = 120,410.96 × 26,982.06
  4. Step 4: Simplify right side
    80,329.67x = 3,248,935,838.24
  5. Step 5: Solve for x
    x = 3,248,935,838.24/80,329.67
  6. Step 6: Final answer
    x = 40,445.03

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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.