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Finding the Fourth Proportional to 73,861.54, 110,794.56 and 28,881.10

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Solution

The fourth proportional to 73,861.54, 110,794.56 and 28,881.10 is: 43,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,861.54 : 110,794.56 = 28,881.10 : x
  2. Step 2: Convert to fraction form
    73,861.54/110,794.56 = 28,881.10/x
  3. Step 3: Cross multiply
    73,861.54x = 110,794.56 × 28,881.10
  4. Step 4: Simplify right side
    73,861.54x = 3,199,868,800.33
  5. Step 5: Solve for x
    x = 3,199,868,800.33/73,861.54
  6. Step 6: Final answer
    x = 43,322.53

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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.