Home / 110,396.43-152,346.64-61,991.62

Finding the Fourth Proportional to 110,396.43, 152,346.64 and 61,991.62

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Solution

The fourth proportional to 110,396.43, 152,346.64 and 61,991.62 is: 85,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,396.43 : 152,346.64 = 61,991.62 : x
  2. Step 2: Convert to fraction form
    110,396.43/152,346.64 = 61,991.62/x
  3. Step 3: Cross multiply
    110,396.43x = 152,346.64 × 61,991.62
  4. Step 4: Simplify right side
    110,396.43x = 9,444,215,015.16
  5. Step 5: Solve for x
    x = 9,444,215,015.16/110,396.43
  6. Step 6: Final answer
    x = 85,548.19

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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.