Home / 106,209.80-146,569.59-58,463.94

Finding the Fourth Proportional to 106,209.80, 146,569.59 and 58,463.94

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Solution

The fourth proportional to 106,209.80, 146,569.59 and 58,463.94 is: 80,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,209.80 : 146,569.59 = 58,463.94 : x
  2. Step 2: Convert to fraction form
    106,209.80/146,569.59 = 58,463.94/x
  3. Step 3: Cross multiply
    106,209.80x = 146,569.59 × 58,463.94
  4. Step 4: Simplify right side
    106,209.80x = 8,569,035,715.58
  5. Step 5: Solve for x
    x = 8,569,035,715.58/106,209.80
  6. Step 6: Final answer
    x = 80,680.27

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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.