Home / 95,619.56-143,428.17-42,991.88

Finding the Fourth Proportional to 95,619.56, 143,428.17 and 42,991.88

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Solution

The fourth proportional to 95,619.56, 143,428.17 and 42,991.88 is: 64,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,619.56 : 143,428.17 = 42,991.88 : x
  2. Step 2: Convert to fraction form
    95,619.56/143,428.17 = 42,991.88/x
  3. Step 3: Cross multiply
    95,619.56x = 143,428.17 × 42,991.88
  4. Step 4: Simplify right side
    95,619.56x = 6,166,246,673.26
  5. Step 5: Solve for x
    x = 6,166,246,673.26/95,619.56
  6. Step 6: Final answer
    x = 64,487.29

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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.