Home / 97,651.40-146,470.82-31,139.19

Finding the Fourth Proportional to 97,651.40, 146,470.82 and 31,139.19

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Solution

The fourth proportional to 97,651.40, 146,470.82 and 31,139.19 is: 46,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,651.40 : 146,470.82 = 31,139.19 : x
  2. Step 2: Convert to fraction form
    97,651.40/146,470.82 = 31,139.19/x
  3. Step 3: Cross multiply
    97,651.40x = 146,470.82 × 31,139.19
  4. Step 4: Simplify right side
    97,651.40x = 4,560,982,537.74
  5. Step 5: Solve for x
    x = 4,560,982,537.74/97,651.40
  6. Step 6: Final answer
    x = 46,706.78

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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.