Home / 97,961.16-146,859.82-45,408.36

Finding the Fourth Proportional to 97,961.16, 146,859.82 and 45,408.36

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Solution

The fourth proportional to 97,961.16, 146,859.82 and 45,408.36 is: 68,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,961.16 : 146,859.82 = 45,408.36 : x
  2. Step 2: Convert to fraction form
    97,961.16/146,859.82 = 45,408.36/x
  3. Step 3: Cross multiply
    97,961.16x = 146,859.82 × 45,408.36
  4. Step 4: Simplify right side
    97,961.16x = 6,668,663,576.10
  5. Step 5: Solve for x
    x = 6,668,663,576.10/97,961.16
  6. Step 6: Final answer
    x = 68,074.57

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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.