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Finding the Fourth Proportional to 67,873.27, 101,258.78 and 64,199.11

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Solution

The fourth proportional to 67,873.27, 101,258.78 and 64,199.11 is: 95,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873.27 : 101,258.78 = 64,199.11 : x
  2. Step 2: Convert to fraction form
    67,873.27/101,258.78 = 64,199.11/x
  3. Step 3: Cross multiply
    67,873.27x = 101,258.78 × 64,199.11
  4. Step 4: Simplify right side
    67,873.27x = 6,500,722,728.40
  5. Step 5: Solve for x
    x = 6,500,722,728.40/67,873.27
  6. Step 6: Final answer
    x = 95,777.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.