Home / 54,868.57-75,718.97-29,718.07

Finding the Fourth Proportional to 54,868.57, 75,718.97 and 29,718.07

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Solution

The fourth proportional to 54,868.57, 75,718.97 and 29,718.07 is: 41,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.57 : 75,718.97 = 29,718.07 : x
  2. Step 2: Convert to fraction form
    54,868.57/75,718.97 = 29,718.07/x
  3. Step 3: Cross multiply
    54,868.57x = 75,718.97 × 29,718.07
  4. Step 4: Simplify right side
    54,868.57x = 2,250,221,650.79
  5. Step 5: Solve for x
    x = 2,250,221,650.79/54,868.57
  6. Step 6: Final answer
    x = 41,011.12

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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.