Home / 66,922.15-92,342.68-43,081.12

Finding the Fourth Proportional to 66,922.15, 92,342.68 and 43,081.12

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Solution

The fourth proportional to 66,922.15, 92,342.68 and 43,081.12 is: 59,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.15 : 92,342.68 = 43,081.12 : x
  2. Step 2: Convert to fraction form
    66,922.15/92,342.68 = 43,081.12/x
  3. Step 3: Cross multiply
    66,922.15x = 92,342.68 × 43,081.12
  4. Step 4: Simplify right side
    66,922.15x = 3,978,226,078.20
  5. Step 5: Solve for x
    x = 3,978,226,078.20/66,922.15
  6. Step 6: Final answer
    x = 59,445.58

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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.