Home / 97,757.17-146,638.30-31,197.21

Finding the Fourth Proportional to 97,757.17, 146,638.30 and 31,197.21

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Solution

The fourth proportional to 97,757.17, 146,638.30 and 31,197.21 is: 46,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,757.17 : 146,638.30 = 31,197.21 : x
  2. Step 2: Convert to fraction form
    97,757.17/146,638.30 = 31,197.21/x
  3. Step 3: Cross multiply
    97,757.17x = 146,638.30 × 31,197.21
  4. Step 4: Simplify right side
    97,757.17x = 4,574,705,839.14
  5. Step 5: Solve for x
    x = 4,574,705,839.14/97,757.17
  6. Step 6: Final answer
    x = 46,796.63

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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.