Home / 54,115.45-81,167.10-14,675.65

Finding the Fourth Proportional to 54,115.45, 81,167.10 and 14,675.65

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Solution

The fourth proportional to 54,115.45, 81,167.10 and 14,675.65 is: 22,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.45 : 81,167.10 = 14,675.65 : x
  2. Step 2: Convert to fraction form
    54,115.45/81,167.10 = 14,675.65/x
  3. Step 3: Cross multiply
    54,115.45x = 81,167.10 × 14,675.65
  4. Step 4: Simplify right side
    54,115.45x = 1,191,179,951.12
  5. Step 5: Solve for x
    x = 1,191,179,951.12/54,115.45
  6. Step 6: Final answer
    x = 22,011.83

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1.5x scale

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.