Home / 77,648.65-116,444.31-27,715.39

Finding the Fourth Proportional to 77,648.65, 116,444.31 and 27,715.39

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Solution

The fourth proportional to 77,648.65, 116,444.31 and 27,715.39 is: 41,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,648.65 : 116,444.31 = 27,715.39 : x
  2. Step 2: Convert to fraction form
    77,648.65/116,444.31 = 27,715.39/x
  3. Step 3: Cross multiply
    77,648.65x = 116,444.31 × 27,715.39
  4. Step 4: Simplify right side
    77,648.65x = 3,227,299,464.93
  5. Step 5: Solve for x
    x = 3,227,299,464.93/77,648.65
  6. Step 6: Final answer
    x = 41,562.85

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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.