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Finding the Fourth Proportional to 67,232.06, 100,785.45 and 22,828.45

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Solution

The fourth proportional to 67,232.06, 100,785.45 and 22,828.45 is: 34,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232.06 : 100,785.45 = 22,828.45 : x
  2. Step 2: Convert to fraction form
    67,232.06/100,785.45 = 22,828.45/x
  3. Step 3: Cross multiply
    67,232.06x = 100,785.45 × 22,828.45
  4. Step 4: Simplify right side
    67,232.06x = 2,300,775,216.80
  5. Step 5: Solve for x
    x = 2,300,775,216.80/67,232.06
  6. Step 6: Final answer
    x = 34,221.40

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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.