Home / 109,199.96-150,695.22-61,453.72

Finding the Fourth Proportional to 109,199.96, 150,695.22 and 61,453.72

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Solution

The fourth proportional to 109,199.96, 150,695.22 and 61,453.72 is: 84,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199.96 : 150,695.22 = 61,453.72 : x
  2. Step 2: Convert to fraction form
    109,199.96/150,695.22 = 61,453.72/x
  3. Step 3: Cross multiply
    109,199.96x = 150,695.22 × 61,453.72
  4. Step 4: Simplify right side
    109,199.96x = 9,260,781,855.22
  5. Step 5: Solve for x
    x = 9,260,781,855.22/109,199.96
  6. Step 6: Final answer
    x = 84,805.73

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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.