Home / 81,051.81-111,853.26-44,753.19

Finding the Fourth Proportional to 81,051.81, 111,853.26 and 44,753.19

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Solution

The fourth proportional to 81,051.81, 111,853.26 and 44,753.19 is: 61,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,051.81 : 111,853.26 = 44,753.19 : x
  2. Step 2: Convert to fraction form
    81,051.81/111,853.26 = 44,753.19/x
  3. Step 3: Cross multiply
    81,051.81x = 111,853.26 × 44,753.19
  4. Step 4: Simplify right side
    81,051.81x = 5,005,790,196.90
  5. Step 5: Solve for x
    x = 5,005,790,196.90/81,051.81
  6. Step 6: Final answer
    x = 61,760.38

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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.