Home / 106,438.37-146,884.70-58,691.90

Finding the Fourth Proportional to 106,438.37, 146,884.70 and 58,691.90

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Solution

The fourth proportional to 106,438.37, 146,884.70 and 58,691.90 is: 80,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,438.37 : 146,884.70 = 58,691.90 : x
  2. Step 2: Convert to fraction form
    106,438.37/146,884.70 = 58,691.90/x
  3. Step 3: Cross multiply
    106,438.37x = 146,884.70 × 58,691.90
  4. Step 4: Simplify right side
    106,438.37x = 8,620,941,096.05
  5. Step 5: Solve for x
    x = 8,620,941,096.05/106,438.37
  6. Step 6: Final answer
    x = 80,994.68

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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.