Home / 75,112.37-103,654.85-43,281.20

Finding the Fourth Proportional to 75,112.37, 103,654.85 and 43,281.20

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Solution

The fourth proportional to 75,112.37, 103,654.85 and 43,281.20 is: 59,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.37 : 103,654.85 = 43,281.20 : x
  2. Step 2: Convert to fraction form
    75,112.37/103,654.85 = 43,281.20/x
  3. Step 3: Cross multiply
    75,112.37x = 103,654.85 × 43,281.20
  4. Step 4: Simplify right side
    75,112.37x = 4,486,305,559.14
  5. Step 5: Solve for x
    x = 4,486,305,559.14/75,112.37
  6. Step 6: Final answer
    x = 59,727.92

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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.