Home / 107,874.32-161,811.50-37,773.68

Finding the Fourth Proportional to 107,874.32, 161,811.50 and 37,773.68

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Solution

The fourth proportional to 107,874.32, 161,811.50 and 37,773.68 is: 56,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,874.32 : 161,811.50 = 37,773.68 : x
  2. Step 2: Convert to fraction form
    107,874.32/161,811.50 = 37,773.68/x
  3. Step 3: Cross multiply
    107,874.32x = 161,811.50 × 37,773.68
  4. Step 4: Simplify right side
    107,874.32x = 6,112,215,821.32
  5. Step 5: Solve for x
    x = 6,112,215,821.32/107,874.32
  6. Step 6: Final answer
    x = 56,660.53

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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.