Home / 80,723.45-121,095.76-26,670.18

Finding the Fourth Proportional to 80,723.45, 121,095.76 and 26,670.18

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Solution

The fourth proportional to 80,723.45, 121,095.76 and 26,670.18 is: 40,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723.45 : 121,095.76 = 26,670.18 : x
  2. Step 2: Convert to fraction form
    80,723.45/121,095.76 = 26,670.18/x
  3. Step 3: Cross multiply
    80,723.45x = 121,095.76 × 26,670.18
  4. Step 4: Simplify right side
    80,723.45x = 3,229,644,977.61
  5. Step 5: Solve for x
    x = 3,229,644,977.61/80,723.45
  6. Step 6: Final answer
    x = 40,008.76

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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.