Home / 80,275.22-120,417.96-26,965.04

Finding the Fourth Proportional to 80,275.22, 120,417.96 and 26,965.04

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Solution

The fourth proportional to 80,275.22, 120,417.96 and 26,965.04 is: 40,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,275.22 : 120,417.96 = 26,965.04 : x
  2. Step 2: Convert to fraction form
    80,275.22/120,417.96 = 26,965.04/x
  3. Step 3: Cross multiply
    80,275.22x = 120,417.96 × 26,965.04
  4. Step 4: Simplify right side
    80,275.22x = 3,247,075,108.12
  5. Step 5: Solve for x
    x = 3,247,075,108.12/80,275.22
  6. Step 6: Final answer
    x = 40,449.28

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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.