Home / 106,432.11-146,873.12-58,685.45

Finding the Fourth Proportional to 106,432.11, 146,873.12 and 58,685.45

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Solution

The fourth proportional to 106,432.11, 146,873.12 and 58,685.45 is: 80,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.11 : 146,873.12 = 58,685.45 : x
  2. Step 2: Convert to fraction form
    106,432.11/146,873.12 = 58,685.45/x
  3. Step 3: Cross multiply
    106,432.11x = 146,873.12 × 58,685.45
  4. Step 4: Simplify right side
    106,432.11x = 8,619,314,112.31
  5. Step 5: Solve for x
    x = 8,619,314,112.31/106,432.11
  6. Step 6: Final answer
    x = 80,984.15

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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.