Home / 54,306.98-81,409.39-29,309.57

Finding the Fourth Proportional to 54,306.98, 81,409.39 and 29,309.57

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Solution

The fourth proportional to 54,306.98, 81,409.39 and 29,309.57 is: 43,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.98 : 81,409.39 = 29,309.57 : x
  2. Step 2: Convert to fraction form
    54,306.98/81,409.39 = 29,309.57/x
  3. Step 3: Cross multiply
    54,306.98x = 81,409.39 × 29,309.57
  4. Step 4: Simplify right side
    54,306.98x = 2,386,074,214.86
  5. Step 5: Solve for x
    x = 2,386,074,214.86/54,306.98
  6. Step 6: Final answer
    x = 43,936.79

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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.