Home / 54,419.16-81,453.76-28,088.04

Finding the Fourth Proportional to 54,419.16, 81,453.76 and 28,088.04

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Solution

The fourth proportional to 54,419.16, 81,453.76 and 28,088.04 is: 42,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.16 : 81,453.76 = 28,088.04 : x
  2. Step 2: Convert to fraction form
    54,419.16/81,453.76 = 28,088.04/x
  3. Step 3: Cross multiply
    54,419.16x = 81,453.76 × 28,088.04
  4. Step 4: Simplify right side
    54,419.16x = 2,287,876,469.03
  5. Step 5: Solve for x
    x = 2,287,876,469.03/54,419.16
  6. Step 6: Final answer
    x = 42,041.75

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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.