Home / 75,319.49-103,936.41-43,057.59

Finding the Fourth Proportional to 75,319.49, 103,936.41 and 43,057.59

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Solution

The fourth proportional to 75,319.49, 103,936.41 and 43,057.59 is: 59,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.49 : 103,936.41 = 43,057.59 : x
  2. Step 2: Convert to fraction form
    75,319.49/103,936.41 = 43,057.59/x
  3. Step 3: Cross multiply
    75,319.49x = 103,936.41 × 43,057.59
  4. Step 4: Simplify right side
    75,319.49x = 4,475,251,327.85
  5. Step 5: Solve for x
    x = 4,475,251,327.85/75,319.49
  6. Step 6: Final answer
    x = 59,416.91

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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.