Home / 106,426.31-146,865.56-58,678.83

Finding the Fourth Proportional to 106,426.31, 146,865.56 and 58,678.83

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Solution

The fourth proportional to 106,426.31, 146,865.56 and 58,678.83 is: 80,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.31 : 146,865.56 = 58,678.83 : x
  2. Step 2: Convert to fraction form
    106,426.31/146,865.56 = 58,678.83/x
  3. Step 3: Cross multiply
    106,426.31x = 146,865.56 × 58,678.83
  4. Step 4: Simplify right side
    106,426.31x = 8,617,898,934.70
  5. Step 5: Solve for x
    x = 8,617,898,934.70/106,426.31
  6. Step 6: Final answer
    x = 80,975.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.