Home / 81,033.75-111,832.76-44,742.19

Finding the Fourth Proportional to 81,033.75, 111,832.76 and 44,742.19

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Solution

The fourth proportional to 81,033.75, 111,832.76 and 44,742.19 is: 61,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,033.75 : 111,832.76 = 44,742.19 : x
  2. Step 2: Convert to fraction form
    81,033.75/111,832.76 = 44,742.19/x
  3. Step 3: Cross multiply
    81,033.75x = 111,832.76 × 44,742.19
  4. Step 4: Simplify right side
    81,033.75x = 5,003,642,596.14
  5. Step 5: Solve for x
    x = 5,003,642,596.14/81,033.75
  6. Step 6: Final answer
    x = 61,747.64

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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.