Home / 54,412.68-81,636.66-26,691.24

Finding the Fourth Proportional to 54,412.68, 81,636.66 and 26,691.24

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Solution

The fourth proportional to 54,412.68, 81,636.66 and 26,691.24 is: 40,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.68 : 81,636.66 = 26,691.24 : x
  2. Step 2: Convert to fraction form
    54,412.68/81,636.66 = 26,691.24/x
  3. Step 3: Cross multiply
    54,412.68x = 81,636.66 × 26,691.24
  4. Step 4: Simplify right side
    54,412.68x = 2,178,983,684.86
  5. Step 5: Solve for x
    x = 2,178,983,684.86/54,412.68
  6. Step 6: Final answer
    x = 40,045.51

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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.