Home / 54,543.08-81,805.50-15,104.18

Finding the Fourth Proportional to 54,543.08, 81,805.50 and 15,104.18

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Solution

The fourth proportional to 54,543.08, 81,805.50 and 15,104.18 is: 22,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.08 : 81,805.50 = 15,104.18 : x
  2. Step 2: Convert to fraction form
    54,543.08/81,805.50 = 15,104.18/x
  3. Step 3: Cross multiply
    54,543.08x = 81,805.50 × 15,104.18
  4. Step 4: Simplify right side
    54,543.08x = 1,235,604,996.99
  5. Step 5: Solve for x
    x = 1,235,604,996.99/54,543.08
  6. Step 6: Final answer
    x = 22,653.74

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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.