Home / 54,839.92-75,679.26-29,689.36

Finding the Fourth Proportional to 54,839.92, 75,679.26 and 29,689.36

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Solution

The fourth proportional to 54,839.92, 75,679.26 and 29,689.36 is: 40,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.92 : 75,679.26 = 29,689.36 : x
  2. Step 2: Convert to fraction form
    54,839.92/75,679.26 = 29,689.36/x
  3. Step 3: Cross multiply
    54,839.92x = 75,679.26 × 29,689.36
  4. Step 4: Simplify right side
    54,839.92x = 2,246,868,794.67
  5. Step 5: Solve for x
    x = 2,246,868,794.67/54,839.92
  6. Step 6: Final answer
    x = 40,971.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.