Home / 67,205.60-100,804.32-29,754.72

Finding the Fourth Proportional to 67,205.60, 100,804.32 and 29,754.72

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Solution

The fourth proportional to 67,205.60, 100,804.32 and 29,754.72 is: 44,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,205.60 : 100,804.32 = 29,754.72 : x
  2. Step 2: Convert to fraction form
    67,205.60/100,804.32 = 29,754.72/x
  3. Step 3: Cross multiply
    67,205.60x = 100,804.32 × 29,754.72
  4. Step 4: Simplify right side
    67,205.60x = 2,999,404,316.39
  5. Step 5: Solve for x
    x = 2,999,404,316.39/67,205.60
  6. Step 6: Final answer
    x = 44,630.27

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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.