Home / 85,496.82-128,175.99-35,614.26

Finding the Fourth Proportional to 85,496.82, 128,175.99 and 35,614.26

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Solution

The fourth proportional to 85,496.82, 128,175.99 and 35,614.26 is: 53,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.82 : 128,175.99 = 35,614.26 : x
  2. Step 2: Convert to fraction form
    85,496.82/128,175.99 = 35,614.26/x
  3. Step 3: Cross multiply
    85,496.82x = 128,175.99 × 35,614.26
  4. Step 4: Simplify right side
    85,496.82x = 4,564,893,380.81
  5. Step 5: Solve for x
    x = 4,564,893,380.81/85,496.82
  6. Step 6: Final answer
    x = 53,392.55

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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.