Home / 75,218.71-103,817.26-43,383.28

Finding the Fourth Proportional to 75,218.71, 103,817.26 and 43,383.28

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Solution

The fourth proportional to 75,218.71, 103,817.26 and 43,383.28 is: 59,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.71 : 103,817.26 = 43,383.28 : x
  2. Step 2: Convert to fraction form
    75,218.71/103,817.26 = 43,383.28/x
  3. Step 3: Cross multiply
    75,218.71x = 103,817.26 × 43,383.28
  4. Step 4: Simplify right side
    75,218.71x = 4,503,933,259.41
  5. Step 5: Solve for x
    x = 4,503,933,259.41/75,218.71
  6. Step 6: Final answer
    x = 59,877.83

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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.