Home / 54,780.91-82,164.98-15,341.20

Finding the Fourth Proportional to 54,780.91, 82,164.98 and 15,341.20

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Solution

The fourth proportional to 54,780.91, 82,164.98 and 15,341.20 is: 23,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.91 : 82,164.98 = 15,341.20 : x
  2. Step 2: Convert to fraction form
    54,780.91/82,164.98 = 15,341.20/x
  3. Step 3: Cross multiply
    54,780.91x = 82,164.98 × 15,341.20
  4. Step 4: Simplify right side
    54,780.91x = 1,260,509,224.12
  5. Step 5: Solve for x
    x = 1,260,509,224.12/54,780.91
  6. Step 6: Final answer
    x = 23,010.01

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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.