Home / 115,824.34-173,738.22-45,703

Finding the Fourth Proportional to 115,824.34, 173,738.22 and 45,703

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Solution

The fourth proportional to 115,824.34, 173,738.22 and 45,703 is: 68,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,824.34 : 173,738.22 = 45,703 : x
  2. Step 2: Convert to fraction form
    115,824.34/173,738.22 = 45,703/x
  3. Step 3: Cross multiply
    115,824.34x = 173,738.22 × 45,703
  4. Step 4: Simplify right side
    115,824.34x = 7,940,357,868.66
  5. Step 5: Solve for x
    x = 7,940,357,868.66/115,824.34
  6. Step 6: Final answer
    x = 68,555.17

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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.