Home / 110,708.40-166,078.80-58,121.85

Finding the Fourth Proportional to 110,708.40, 166,078.80 and 58,121.85

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Solution

The fourth proportional to 110,708.40, 166,078.80 and 58,121.85 is: 87,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,708.40 : 166,078.80 = 58,121.85 : x
  2. Step 2: Convert to fraction form
    110,708.40/166,078.80 = 58,121.85/x
  3. Step 3: Cross multiply
    110,708.40x = 166,078.80 × 58,121.85
  4. Step 4: Simplify right side
    110,708.40x = 9,652,807,101.78
  5. Step 5: Solve for x
    x = 9,652,807,101.78/110,708.40
  6. Step 6: Final answer
    x = 87,191.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.