Home / 54,151.68-81,234-19,084.08

Finding the Fourth Proportional to 54,151.68, 81,234 and 19,084.08

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Solution

The fourth proportional to 54,151.68, 81,234 and 19,084.08 is: 28,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.68 : 81,234 = 19,084.08 : x
  2. Step 2: Convert to fraction form
    54,151.68/81,234 = 19,084.08/x
  3. Step 3: Cross multiply
    54,151.68x = 81,234 × 19,084.08
  4. Step 4: Simplify right side
    54,151.68x = 1,550,276,154.72
  5. Step 5: Solve for x
    x = 1,550,276,154.72/54,151.68
  6. Step 6: Final answer
    x = 28,628.40

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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.