Home / 109,921.46-151,695.05-62,173.85

Finding the Fourth Proportional to 109,921.46, 151,695.05 and 62,173.85

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Solution

The fourth proportional to 109,921.46, 151,695.05 and 62,173.85 is: 85,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,921.46 : 151,695.05 = 62,173.85 : x
  2. Step 2: Convert to fraction form
    109,921.46/151,695.05 = 62,173.85/x
  3. Step 3: Cross multiply
    109,921.46x = 151,695.05 × 62,173.85
  4. Step 4: Simplify right side
    109,921.46x = 9,431,464,215.10
  5. Step 5: Solve for x
    x = 9,431,464,215.10/109,921.46
  6. Step 6: Final answer
    x = 85,801.85

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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.