Home / 71,985.16-108,010.56-36,949.44

Finding the Fourth Proportional to 71,985.16, 108,010.56 and 36,949.44

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Solution

The fourth proportional to 71,985.16, 108,010.56 and 36,949.44 is: 55,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,985.16 : 108,010.56 = 36,949.44 : x
  2. Step 2: Convert to fraction form
    71,985.16/108,010.56 = 36,949.44/x
  3. Step 3: Cross multiply
    71,985.16x = 108,010.56 × 36,949.44
  4. Step 4: Simplify right side
    71,985.16x = 3,990,929,706.09
  5. Step 5: Solve for x
    x = 3,990,929,706.09/71,985.16
  6. Step 6: Final answer
    x = 55,441.01

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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.