Home / 54,715.91-82,073.72-42,254.06

Finding the Fourth Proportional to 54,715.91, 82,073.72 and 42,254.06

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Solution

The fourth proportional to 54,715.91, 82,073.72 and 42,254.06 is: 63,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,715.91 : 82,073.72 = 42,254.06 : x
  2. Step 2: Convert to fraction form
    54,715.91/82,073.72 = 42,254.06/x
  3. Step 3: Cross multiply
    54,715.91x = 82,073.72 × 42,254.06
  4. Step 4: Simplify right side
    54,715.91x = 3,467,947,584.57
  5. Step 5: Solve for x
    x = 3,467,947,584.57/54,715.91
  6. Step 6: Final answer
    x = 63,380.98

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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.