Home / 106,432.80-146,876.37-58,685.10

Finding the Fourth Proportional to 106,432.80, 146,876.37 and 58,685.10

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Solution

The fourth proportional to 106,432.80, 146,876.37 and 58,685.10 is: 80,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.80 : 146,876.37 = 58,685.10 : x
  2. Step 2: Convert to fraction form
    106,432.80/146,876.37 = 58,685.10/x
  3. Step 3: Cross multiply
    106,432.80x = 146,876.37 × 58,685.10
  4. Step 4: Simplify right side
    106,432.80x = 8,619,454,461.09
  5. Step 5: Solve for x
    x = 8,619,454,461.09/106,432.80
  6. Step 6: Final answer
    x = 80,984.95

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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.