Home / 67,856.12-101,734.96-45,614.32

Finding the Fourth Proportional to 67,856.12, 101,734.96 and 45,614.32

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Solution

The fourth proportional to 67,856.12, 101,734.96 and 45,614.32 is: 68,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.12 : 101,734.96 = 45,614.32 : x
  2. Step 2: Convert to fraction form
    67,856.12/101,734.96 = 45,614.32/x
  3. Step 3: Cross multiply
    67,856.12x = 101,734.96 × 45,614.32
  4. Step 4: Simplify right side
    67,856.12x = 4,640,571,020.63
  5. Step 5: Solve for x
    x = 4,640,571,020.63/67,856.12
  6. Step 6: Final answer
    x = 68,388.39

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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.