Home / 115,564.05-173,342.43-68,501.63

Finding the Fourth Proportional to 115,564.05, 173,342.43 and 68,501.63

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Solution

The fourth proportional to 115,564.05, 173,342.43 and 68,501.63 is: 102,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,564.05 : 173,342.43 = 68,501.63 : x
  2. Step 2: Convert to fraction form
    115,564.05/173,342.43 = 68,501.63/x
  3. Step 3: Cross multiply
    115,564.05x = 173,342.43 × 68,501.63
  4. Step 4: Simplify right side
    115,564.05x = 11,874,239,436.52
  5. Step 5: Solve for x
    x = 11,874,239,436.52/115,564.05
  6. Step 6: Final answer
    x = 102,750.29

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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.