Home / 109,626.22-151,313.43-61,907.50

Finding the Fourth Proportional to 109,626.22, 151,313.43 and 61,907.50

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Solution

The fourth proportional to 109,626.22, 151,313.43 and 61,907.50 is: 85,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626.22 : 151,313.43 = 61,907.50 : x
  2. Step 2: Convert to fraction form
    109,626.22/151,313.43 = 61,907.50/x
  3. Step 3: Cross multiply
    109,626.22x = 151,313.43 × 61,907.50
  4. Step 4: Simplify right side
    109,626.22x = 9,367,436,167.73
  5. Step 5: Solve for x
    x = 9,367,436,167.73/109,626.22
  6. Step 6: Final answer
    x = 85,448.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.