Home / 77,371.62-106,769.79-43,837.62

Finding the Fourth Proportional to 77,371.62, 106,769.79 and 43,837.62

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Solution

The fourth proportional to 77,371.62, 106,769.79 and 43,837.62 is: 60,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,371.62 : 106,769.79 = 43,837.62 : x
  2. Step 2: Convert to fraction form
    77,371.62/106,769.79 = 43,837.62/x
  3. Step 3: Cross multiply
    77,371.62x = 106,769.79 × 43,837.62
  4. Step 4: Simplify right side
    77,371.62x = 4,680,533,481.50
  5. Step 5: Solve for x
    x = 4,680,533,481.50/77,371.62
  6. Step 6: Final answer
    x = 60,494.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.