Home / 97,733.82-146,453.10-72,656.22

Finding the Fourth Proportional to 97,733.82, 146,453.10 and 72,656.22

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Solution

The fourth proportional to 97,733.82, 146,453.10 and 72,656.22 is: 108,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,733.82 : 146,453.10 = 72,656.22 : x
  2. Step 2: Convert to fraction form
    97,733.82/146,453.10 = 72,656.22/x
  3. Step 3: Cross multiply
    97,733.82x = 146,453.10 × 72,656.22
  4. Step 4: Simplify right side
    97,733.82x = 10,640,728,653.28
  5. Step 5: Solve for x
    x = 10,640,728,653.28/97,733.82
  6. Step 6: Final answer
    x = 108,874.58

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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.