Home / 81,166.16-121,749.24-22,001.84

Finding the Fourth Proportional to 81,166.16, 121,749.24 and 22,001.84

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Solution

The fourth proportional to 81,166.16, 121,749.24 and 22,001.84 is: 33,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.16 : 121,749.24 = 22,001.84 : x
  2. Step 2: Convert to fraction form
    81,166.16/121,749.24 = 22,001.84/x
  3. Step 3: Cross multiply
    81,166.16x = 121,749.24 × 22,001.84
  4. Step 4: Simplify right side
    81,166.16x = 2,678,707,298.60
  5. Step 5: Solve for x
    x = 2,678,707,298.60/81,166.16
  6. Step 6: Final answer
    x = 33,002.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.