Home / 80,664.12-111,314.16-44,851.68

Finding the Fourth Proportional to 80,664.12, 111,314.16 and 44,851.68

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Solution

The fourth proportional to 80,664.12, 111,314.16 and 44,851.68 is: 61,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,664.12 : 111,314.16 = 44,851.68 : x
  2. Step 2: Convert to fraction form
    80,664.12/111,314.16 = 44,851.68/x
  3. Step 3: Cross multiply
    80,664.12x = 111,314.16 × 44,851.68
  4. Step 4: Simplify right side
    80,664.12x = 4,992,627,083.79
  5. Step 5: Solve for x
    x = 4,992,627,083.79/80,664.12
  6. Step 6: Final answer
    x = 61,894.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.