Home / 106,426.80-146,865.93-58,680.20

Finding the Fourth Proportional to 106,426.80, 146,865.93 and 58,680.20

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Solution

The fourth proportional to 106,426.80, 146,865.93 and 58,680.20 is: 80,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.80 : 146,865.93 = 58,680.20 : x
  2. Step 2: Convert to fraction form
    106,426.80/146,865.93 = 58,680.20/x
  3. Step 3: Cross multiply
    106,426.80x = 146,865.93 × 58,680.20
  4. Step 4: Simplify right side
    106,426.80x = 8,618,121,411.26
  5. Step 5: Solve for x
    x = 8,618,121,411.26/106,426.80
  6. Step 6: Final answer
    x = 80,976.99

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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.