Home / 54,130.60-81,195.90-14,687.65

Finding the Fourth Proportional to 54,130.60, 81,195.90 and 14,687.65

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Solution

The fourth proportional to 54,130.60, 81,195.90 and 14,687.65 is: 22,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.60 : 81,195.90 = 14,687.65 : x
  2. Step 2: Convert to fraction form
    54,130.60/81,195.90 = 14,687.65/x
  3. Step 3: Cross multiply
    54,130.60x = 81,195.90 × 14,687.65
  4. Step 4: Simplify right side
    54,130.60x = 1,192,576,960.64
  5. Step 5: Solve for x
    x = 1,192,576,960.64/54,130.60
  6. Step 6: Final answer
    x = 22,031.48

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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.