Home / 54,871.16-75,722.56-29,720.66

Finding the Fourth Proportional to 54,871.16, 75,722.56 and 29,720.66

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Solution

The fourth proportional to 54,871.16, 75,722.56 and 29,720.66 is: 41,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.16 : 75,722.56 = 29,720.66 : x
  2. Step 2: Convert to fraction form
    54,871.16/75,722.56 = 29,720.66/x
  3. Step 3: Cross multiply
    54,871.16x = 75,722.56 × 29,720.66
  4. Step 4: Simplify right side
    54,871.16x = 2,250,524,007.18
  5. Step 5: Solve for x
    x = 2,250,524,007.18/54,871.16
  6. Step 6: Final answer
    x = 41,014.70

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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.