Home / 54,631.13-81,937.13-15,191.32

Finding the Fourth Proportional to 54,631.13, 81,937.13 and 15,191.32

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Solution

The fourth proportional to 54,631.13, 81,937.13 and 15,191.32 is: 22,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.13 : 81,937.13 = 15,191.32 : x
  2. Step 2: Convert to fraction form
    54,631.13/81,937.13 = 15,191.32/x
  3. Step 3: Cross multiply
    54,631.13x = 81,937.13 × 15,191.32
  4. Step 4: Simplify right side
    54,631.13x = 1,244,733,161.71
  5. Step 5: Solve for x
    x = 1,244,733,161.71/54,631.13
  6. Step 6: Final answer
    x = 22,784.32

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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.