Home / 74,936.52-103,415.36-43,105.36

Finding the Fourth Proportional to 74,936.52, 103,415.36 and 43,105.36

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Solution

The fourth proportional to 74,936.52, 103,415.36 and 43,105.36 is: 59,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.52 : 103,415.36 = 43,105.36 : x
  2. Step 2: Convert to fraction form
    74,936.52/103,415.36 = 43,105.36/x
  3. Step 3: Cross multiply
    74,936.52x = 103,415.36 × 43,105.36
  4. Step 4: Simplify right side
    74,936.52x = 4,457,756,322.33
  5. Step 5: Solve for x
    x = 4,457,756,322.33/74,936.52
  6. Step 6: Final answer
    x = 59,487.10

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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.