Home / 54,257.27-81,510.98-52,015.30

Finding the Fourth Proportional to 54,257.27, 81,510.98 and 52,015.30

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Solution

The fourth proportional to 54,257.27, 81,510.98 and 52,015.30 is: 78,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.27 : 81,510.98 = 52,015.30 : x
  2. Step 2: Convert to fraction form
    54,257.27/81,510.98 = 52,015.30/x
  3. Step 3: Cross multiply
    54,257.27x = 81,510.98 × 52,015.30
  4. Step 4: Simplify right side
    54,257.27x = 4,239,817,614.14
  5. Step 5: Solve for x
    x = 4,239,817,614.14/54,257.27
  6. Step 6: Final answer
    x = 78,142.86

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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.