Home / 77,204-106,544.40-43,669.28

Finding the Fourth Proportional to 77,204, 106,544.40 and 43,669.28

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Solution

The fourth proportional to 77,204, 106,544.40 and 43,669.28 is: 60,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204 : 106,544.40 = 43,669.28 : x
  2. Step 2: Convert to fraction form
    77,204/106,544.40 = 43,669.28/x
  3. Step 3: Cross multiply
    77,204x = 106,544.40 × 43,669.28
  4. Step 4: Simplify right side
    77,204x = 4,652,717,236.03
  5. Step 5: Solve for x
    x = 4,652,717,236.03/77,204
  6. Step 6: Final answer
    x = 60,265.24

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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.