Home / 106,453.05-159,679.60-43,307.52

Finding the Fourth Proportional to 106,453.05, 159,679.60 and 43,307.52

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Solution

The fourth proportional to 106,453.05, 159,679.60 and 43,307.52 is: 64,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,453.05 : 159,679.60 = 43,307.52 : x
  2. Step 2: Convert to fraction form
    106,453.05/159,679.60 = 43,307.52/x
  3. Step 3: Cross multiply
    106,453.05x = 159,679.60 × 43,307.52
  4. Step 4: Simplify right side
    106,453.05x = 6,915,327,470.59
  5. Step 5: Solve for x
    x = 6,915,327,470.59/106,453.05
  6. Step 6: Final answer
    x = 64,961.29

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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.