Home / 77,299.31-115,963.54-29,282.29

Finding the Fourth Proportional to 77,299.31, 115,963.54 and 29,282.29

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Solution

The fourth proportional to 77,299.31, 115,963.54 and 29,282.29 is: 43,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.31 : 115,963.54 = 29,282.29 : x
  2. Step 2: Convert to fraction form
    77,299.31/115,963.54 = 29,282.29/x
  3. Step 3: Cross multiply
    77,299.31x = 115,963.54 × 29,282.29
  4. Step 4: Simplify right side
    77,299.31x = 3,395,678,502.78
  5. Step 5: Solve for x
    x = 3,395,678,502.78/77,299.31
  6. Step 6: Final answer
    x = 43,928.96

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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.