Home / 103,905.60-155,746.62-44,769.12

Finding the Fourth Proportional to 103,905.60, 155,746.62 and 44,769.12

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Solution

The fourth proportional to 103,905.60, 155,746.62 and 44,769.12 is: 67,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,905.60 : 155,746.62 = 44,769.12 : x
  2. Step 2: Convert to fraction form
    103,905.60/155,746.62 = 44,769.12/x
  3. Step 3: Cross multiply
    103,905.60x = 155,746.62 × 44,769.12
  4. Step 4: Simplify right side
    103,905.60x = 6,972,639,120.37
  5. Step 5: Solve for x
    x = 6,972,639,120.37/103,905.60
  6. Step 6: Final answer
    x = 67,105.52

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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.