Home / 62,112.82-85,772.58-39,459.10

Finding the Fourth Proportional to 62,112.82, 85,772.58 and 39,459.10

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Solution

The fourth proportional to 62,112.82, 85,772.58 and 39,459.10 is: 54,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.82 : 85,772.58 = 39,459.10 : x
  2. Step 2: Convert to fraction form
    62,112.82/85,772.58 = 39,459.10/x
  3. Step 3: Cross multiply
    62,112.82x = 85,772.58 × 39,459.10
  4. Step 4: Simplify right side
    62,112.82x = 3,384,508,811.48
  5. Step 5: Solve for x
    x = 3,384,508,811.48/62,112.82
  6. Step 6: Final answer
    x = 54,489.70

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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.