Home / 107,867.14-161,800.58-28,981.37

Finding the Fourth Proportional to 107,867.14, 161,800.58 and 28,981.37

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Solution

The fourth proportional to 107,867.14, 161,800.58 and 28,981.37 is: 43,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867.14 : 161,800.58 = 28,981.37 : x
  2. Step 2: Convert to fraction form
    107,867.14/161,800.58 = 28,981.37/x
  3. Step 3: Cross multiply
    107,867.14x = 161,800.58 × 28,981.37
  4. Step 4: Simplify right side
    107,867.14x = 4,689,202,475.19
  5. Step 5: Solve for x
    x = 4,689,202,475.19/107,867.14
  6. Step 6: Final answer
    x = 43,472.02

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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.