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Finding the Fourth Proportional to 73,948.40, 110,922.60 and 26,563.40

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Solution

The fourth proportional to 73,948.40, 110,922.60 and 26,563.40 is: 39,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,948.40 : 110,922.60 = 26,563.40 : x
  2. Step 2: Convert to fraction form
    73,948.40/110,922.60 = 26,563.40/x
  3. Step 3: Cross multiply
    73,948.40x = 110,922.60 × 26,563.40
  4. Step 4: Simplify right side
    73,948.40x = 2,946,481,392.84
  5. Step 5: Solve for x
    x = 2,946,481,392.84/73,948.40
  6. Step 6: Final answer
    x = 39,845.10

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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.