Home / 106,211.52-146,572.56-58,463.64

Finding the Fourth Proportional to 106,211.52, 146,572.56 and 58,463.64

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Solution

The fourth proportional to 106,211.52, 146,572.56 and 58,463.64 is: 80,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.52 : 146,572.56 = 58,463.64 : x
  2. Step 2: Convert to fraction form
    106,211.52/146,572.56 = 58,463.64/x
  3. Step 3: Cross multiply
    106,211.52x = 146,572.56 × 58,463.64
  4. Step 4: Simplify right side
    106,211.52x = 8,569,165,381.72
  5. Step 5: Solve for x
    x = 8,569,165,381.72/106,211.52
  6. Step 6: Final answer
    x = 80,680.19

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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.