Home / 67,511.25-101,330.43-34,255.18

Finding the Fourth Proportional to 67,511.25, 101,330.43 and 34,255.18

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Solution

The fourth proportional to 67,511.25, 101,330.43 and 34,255.18 is: 51,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,511.25 : 101,330.43 = 34,255.18 : x
  2. Step 2: Convert to fraction form
    67,511.25/101,330.43 = 34,255.18/x
  3. Step 3: Cross multiply
    67,511.25x = 101,330.43 × 34,255.18
  4. Step 4: Simplify right side
    67,511.25x = 3,471,091,865.80
  5. Step 5: Solve for x
    x = 3,471,091,865.80/67,511.25
  6. Step 6: Final answer
    x = 51,415.02

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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.