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Finding the Fourth Proportional to 67,627.80, 101,441.70 and 64,906.20

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Solution

The fourth proportional to 67,627.80, 101,441.70 and 64,906.20 is: 97,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,627.80 : 101,441.70 = 64,906.20 : x
  2. Step 2: Convert to fraction form
    67,627.80/101,441.70 = 64,906.20/x
  3. Step 3: Cross multiply
    67,627.80x = 101,441.70 × 64,906.20
  4. Step 4: Simplify right side
    67,627.80x = 6,584,195,268.54
  5. Step 5: Solve for x
    x = 6,584,195,268.54/67,627.80
  6. Step 6: Final answer
    x = 97,359.30

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1.5x scale

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.