Home / 72,336.08-108,374.52-25,559.12

Finding the Fourth Proportional to 72,336.08, 108,374.52 and 25,559.12

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Solution

The fourth proportional to 72,336.08, 108,374.52 and 25,559.12 is: 38,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.08 : 108,374.52 = 25,559.12 : x
  2. Step 2: Convert to fraction form
    72,336.08/108,374.52 = 25,559.12/x
  3. Step 3: Cross multiply
    72,336.08x = 108,374.52 × 25,559.12
  4. Step 4: Simplify right side
    72,336.08x = 2,769,957,361.62
  5. Step 5: Solve for x
    x = 2,769,957,361.62/72,336.08
  6. Step 6: Final answer
    x = 38,292.89

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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.