Home / 106,424.84-146,872.89-58,678.11

Finding the Fourth Proportional to 106,424.84, 146,872.89 and 58,678.11

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Solution

The fourth proportional to 106,424.84, 146,872.89 and 58,678.11 is: 80,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.84 : 146,872.89 = 58,678.11 : x
  2. Step 2: Convert to fraction form
    106,424.84/146,872.89 = 58,678.11/x
  3. Step 3: Cross multiply
    106,424.84x = 146,872.89 × 58,678.11
  4. Step 4: Simplify right side
    106,424.84x = 8,618,223,595.44
  5. Step 5: Solve for x
    x = 8,618,223,595.44/106,424.84
  6. Step 6: Final answer
    x = 80,979.44

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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.