Home / 54,288.38-81,312.27-41,715.86

Finding the Fourth Proportional to 54,288.38, 81,312.27 and 41,715.86

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Solution

The fourth proportional to 54,288.38, 81,312.27 and 41,715.86 is: 62,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.38 : 81,312.27 = 41,715.86 : x
  2. Step 2: Convert to fraction form
    54,288.38/81,312.27 = 41,715.86/x
  3. Step 3: Cross multiply
    54,288.38x = 81,312.27 × 41,715.86
  4. Step 4: Simplify right side
    54,288.38x = 3,392,011,271.60
  5. Step 5: Solve for x
    x = 3,392,011,271.60/54,288.38
  6. Step 6: Final answer
    x = 62,481.35

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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.