Home / 107,874.64-161,813.33-41,318.76

Finding the Fourth Proportional to 107,874.64, 161,813.33 and 41,318.76

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Solution

The fourth proportional to 107,874.64, 161,813.33 and 41,318.76 is: 61,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,874.64 : 161,813.33 = 41,318.76 : x
  2. Step 2: Convert to fraction form
    107,874.64/161,813.33 = 41,318.76/x
  3. Step 3: Cross multiply
    107,874.64x = 161,813.33 × 41,318.76
  4. Step 4: Simplify right side
    107,874.64x = 6,685,925,792.02
  5. Step 5: Solve for x
    x = 6,685,925,792.02/107,874.64
  6. Step 6: Final answer
    x = 61,978.66

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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.