Home / 54,721.02-82,081.76-15,278.02

Finding the Fourth Proportional to 54,721.02, 82,081.76 and 15,278.02

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Solution

The fourth proportional to 54,721.02, 82,081.76 and 15,278.02 is: 22,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.02 : 82,081.76 = 15,278.02 : x
  2. Step 2: Convert to fraction form
    54,721.02/82,081.76 = 15,278.02/x
  3. Step 3: Cross multiply
    54,721.02x = 82,081.76 × 15,278.02
  4. Step 4: Simplify right side
    54,721.02x = 1,254,046,489.32
  5. Step 5: Solve for x
    x = 1,254,046,489.32/54,721.02
  6. Step 6: Final answer
    x = 22,917.09

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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.