Home / 77,579.18-116,377.89-27,666.37

Finding the Fourth Proportional to 77,579.18, 116,377.89 and 27,666.37

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Solution

The fourth proportional to 77,579.18, 116,377.89 and 27,666.37 is: 41,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,579.18 : 116,377.89 = 27,666.37 : x
  2. Step 2: Convert to fraction form
    77,579.18/116,377.89 = 27,666.37/x
  3. Step 3: Cross multiply
    77,579.18x = 116,377.89 × 27,666.37
  4. Step 4: Simplify right side
    77,579.18x = 3,219,753,806.28
  5. Step 5: Solve for x
    x = 3,219,753,806.28/77,579.18
  6. Step 6: Final answer
    x = 41,502.81

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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.