Home / 54,113.10-81,169.65-14,675.10

Finding the Fourth Proportional to 54,113.10, 81,169.65 and 14,675.10

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Solution

The fourth proportional to 54,113.10, 81,169.65 and 14,675.10 is: 22,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.10 : 81,169.65 = 14,675.10 : x
  2. Step 2: Convert to fraction form
    54,113.10/81,169.65 = 14,675.10/x
  3. Step 3: Cross multiply
    54,113.10x = 81,169.65 × 14,675.10
  4. Step 4: Simplify right side
    54,113.10x = 1,191,172,730.72
  5. Step 5: Solve for x
    x = 1,191,172,730.72/54,113.10
  6. Step 6: Final answer
    x = 22,012.65

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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.