Home / 107,835.60-161,753.40-61,179.60

Finding the Fourth Proportional to 107,835.60, 161,753.40 and 61,179.60

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Solution

The fourth proportional to 107,835.60, 161,753.40 and 61,179.60 is: 91,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.60 : 161,753.40 = 61,179.60 : x
  2. Step 2: Convert to fraction form
    107,835.60/161,753.40 = 61,179.60/x
  3. Step 3: Cross multiply
    107,835.60x = 161,753.40 × 61,179.60
  4. Step 4: Simplify right side
    107,835.60x = 9,896,008,310.64
  5. Step 5: Solve for x
    x = 9,896,008,310.64/107,835.60
  6. Step 6: Final answer
    x = 91,769.40

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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.