Home / 107,363.40-161,072.19-75,835.32

Finding the Fourth Proportional to 107,363.40, 161,072.19 and 75,835.32

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Solution

The fourth proportional to 107,363.40, 161,072.19 and 75,835.32 is: 113,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,363.40 : 161,072.19 = 75,835.32 : x
  2. Step 2: Convert to fraction form
    107,363.40/161,072.19 = 75,835.32/x
  3. Step 3: Cross multiply
    107,363.40x = 161,072.19 × 75,835.32
  4. Step 4: Simplify right side
    107,363.40x = 12,214,961,071.75
  5. Step 5: Solve for x
    x = 12,214,961,071.75/107,363.40
  6. Step 6: Final answer
    x = 113,772.11

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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.