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Finding the Fourth Proportional to 72,226.58, 108,323.46 and 34,767.52

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Solution

The fourth proportional to 72,226.58, 108,323.46 and 34,767.52 is: 52,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.58 : 108,323.46 = 34,767.52 : x
  2. Step 2: Convert to fraction form
    72,226.58/108,323.46 = 34,767.52/x
  3. Step 3: Cross multiply
    72,226.58x = 108,323.46 × 34,767.52
  4. Step 4: Simplify right side
    72,226.58x = 3,766,137,791.21
  5. Step 5: Solve for x
    x = 3,766,137,791.21/72,226.58
  6. Step 6: Final answer
    x = 52,143.38

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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.