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Finding the Fourth Proportional to 66,226.40, 99,253.20 and 26,751.20

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Solution

The fourth proportional to 66,226.40, 99,253.20 and 26,751.20 is: 40,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.40 : 99,253.20 = 26,751.20 : x
  2. Step 2: Convert to fraction form
    66,226.40/99,253.20 = 26,751.20/x
  3. Step 3: Cross multiply
    66,226.40x = 99,253.20 × 26,751.20
  4. Step 4: Simplify right side
    66,226.40x = 2,655,142,203.84
  5. Step 5: Solve for x
    x = 2,655,142,203.84/66,226.40
  6. Step 6: Final answer
    x = 40,091.90

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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.