Home / 75,121.30-103,667.39-41,587.30

Finding the Fourth Proportional to 75,121.30, 103,667.39 and 41,587.30

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Solution

The fourth proportional to 75,121.30, 103,667.39 and 41,587.30 is: 57,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.30 : 103,667.39 = 41,587.30 : x
  2. Step 2: Convert to fraction form
    75,121.30/103,667.39 = 41,587.30/x
  3. Step 3: Cross multiply
    75,121.30x = 103,667.39 × 41,587.30
  4. Step 4: Simplify right side
    75,121.30x = 4,311,246,848.15
  5. Step 5: Solve for x
    x = 4,311,246,848.15/75,121.30
  6. Step 6: Final answer
    x = 57,390.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.