Home / 106,141.79-146,470.35-58,393.91

Finding the Fourth Proportional to 106,141.79, 146,470.35 and 58,393.91

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Solution

The fourth proportional to 106,141.79, 146,470.35 and 58,393.91 is: 80,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,141.79 : 146,470.35 = 58,393.91 : x
  2. Step 2: Convert to fraction form
    106,141.79/146,470.35 = 58,393.91/x
  3. Step 3: Cross multiply
    106,141.79x = 146,470.35 × 58,393.91
  4. Step 4: Simplify right side
    106,141.79x = 8,552,976,435.57
  5. Step 5: Solve for x
    x = 8,552,976,435.57/106,141.79
  6. Step 6: Final answer
    x = 80,580.67

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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.