Home / 81,134.38-111,963.26-44,339.15

Finding the Fourth Proportional to 81,134.38, 111,963.26 and 44,339.15

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Solution

The fourth proportional to 81,134.38, 111,963.26 and 44,339.15 is: 61,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,134.38 : 111,963.26 = 44,339.15 : x
  2. Step 2: Convert to fraction form
    81,134.38/111,963.26 = 44,339.15/x
  3. Step 3: Cross multiply
    81,134.38x = 111,963.26 × 44,339.15
  4. Step 4: Simplify right side
    81,134.38x = 4,964,355,779.63
  5. Step 5: Solve for x
    x = 4,964,355,779.63/81,134.38
  6. Step 6: Final answer
    x = 61,186.83

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1.5x scale

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.