Home / 80,298.22-120,461.01-27,695.38

Finding the Fourth Proportional to 80,298.22, 120,461.01 and 27,695.38

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Solution

The fourth proportional to 80,298.22, 120,461.01 and 27,695.38 is: 41,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.22 : 120,461.01 = 27,695.38 : x
  2. Step 2: Convert to fraction form
    80,298.22/120,461.01 = 27,695.38/x
  3. Step 3: Cross multiply
    80,298.22x = 120,461.01 × 27,695.38
  4. Step 4: Simplify right side
    80,298.22x = 3,336,213,447.13
  5. Step 5: Solve for x
    x = 3,336,213,447.13/80,298.22
  6. Step 6: Final answer
    x = 41,547.79

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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.