Home / 67,785.12-101,652.72-23,400.48

Finding the Fourth Proportional to 67,785.12, 101,652.72 and 23,400.48

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Solution

The fourth proportional to 67,785.12, 101,652.72 and 23,400.48 is: 35,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.12 : 101,652.72 = 23,400.48 : x
  2. Step 2: Convert to fraction form
    67,785.12/101,652.72 = 23,400.48/x
  3. Step 3: Cross multiply
    67,785.12x = 101,652.72 × 23,400.48
  4. Step 4: Simplify right side
    67,785.12x = 2,378,722,441.31
  5. Step 5: Solve for x
    x = 2,378,722,441.31/67,785.12
  6. Step 6: Final answer
    x = 35,092.10

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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.