Home / 54,870.92-75,721.68-29,720.48

Finding the Fourth Proportional to 54,870.92, 75,721.68 and 29,720.48

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Solution

The fourth proportional to 54,870.92, 75,721.68 and 29,720.48 is: 41,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.92 : 75,721.68 = 29,720.48 : x
  2. Step 2: Convert to fraction form
    54,870.92/75,721.68 = 29,720.48/x
  3. Step 3: Cross multiply
    54,870.92x = 75,721.68 × 29,720.48
  4. Step 4: Simplify right side
    54,870.92x = 2,250,484,676.01
  5. Step 5: Solve for x
    x = 2,250,484,676.01/54,870.92
  6. Step 6: Final answer
    x = 41,014.16

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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.