Home / 107,815.60-161,750.40-41,260.96

Finding the Fourth Proportional to 107,815.60, 161,750.40 and 41,260.96

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Solution

The fourth proportional to 107,815.60, 161,750.40 and 41,260.96 is: 61,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815.60 : 161,750.40 = 41,260.96 : x
  2. Step 2: Convert to fraction form
    107,815.60/161,750.40 = 41,260.96/x
  3. Step 3: Cross multiply
    107,815.60x = 161,750.40 × 41,260.96
  4. Step 4: Simplify right side
    107,815.60x = 6,673,976,784.38
  5. Step 5: Solve for x
    x = 6,673,976,784.38/107,815.60
  6. Step 6: Final answer
    x = 61,901.77

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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.