Home / 101,958.86-152,938.30-31,844.18

Finding the Fourth Proportional to 101,958.86, 152,938.30 and 31,844.18

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Solution

The fourth proportional to 101,958.86, 152,938.30 and 31,844.18 is: 47,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,958.86 : 152,938.30 = 31,844.18 : x
  2. Step 2: Convert to fraction form
    101,958.86/152,938.30 = 31,844.18/x
  3. Step 3: Cross multiply
    101,958.86x = 152,938.30 × 31,844.18
  4. Step 4: Simplify right side
    101,958.86x = 4,870,194,754.09
  5. Step 5: Solve for x
    x = 4,870,194,754.09/101,958.86
  6. Step 6: Final answer
    x = 47,766.27

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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.