Home / 109,871.39-151,621.69-62,126.44

Finding the Fourth Proportional to 109,871.39, 151,621.69 and 62,126.44

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Solution

The fourth proportional to 109,871.39, 151,621.69 and 62,126.44 is: 85,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,871.39 : 151,621.69 = 62,126.44 : x
  2. Step 2: Convert to fraction form
    109,871.39/151,621.69 = 62,126.44/x
  3. Step 3: Cross multiply
    109,871.39x = 151,621.69 × 62,126.44
  4. Step 4: Simplify right side
    109,871.39x = 9,419,715,826.48
  5. Step 5: Solve for x
    x = 9,419,715,826.48/109,871.39
  6. Step 6: Final answer
    x = 85,734.02

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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.