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Finding the Fourth Proportional to 68,240.08, 102,374.04 and 28,797.20

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Solution

The fourth proportional to 68,240.08, 102,374.04 and 28,797.20 is: 43,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.08 : 102,374.04 = 28,797.20 : x
  2. Step 2: Convert to fraction form
    68,240.08/102,374.04 = 28,797.20/x
  3. Step 3: Cross multiply
    68,240.08x = 102,374.04 × 28,797.20
  4. Step 4: Simplify right side
    68,240.08x = 2,948,085,704.69
  5. Step 5: Solve for x
    x = 2,948,085,704.69/68,240.08
  6. Step 6: Final answer
    x = 43,201.67

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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.