Home / 90,631.35-125,091.27-50,358.96

Finding the Fourth Proportional to 90,631.35, 125,091.27 and 50,358.96

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Solution

The fourth proportional to 90,631.35, 125,091.27 and 50,358.96 is: 69,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,631.35 : 125,091.27 = 50,358.96 : x
  2. Step 2: Convert to fraction form
    90,631.35/125,091.27 = 50,358.96/x
  3. Step 3: Cross multiply
    90,631.35x = 125,091.27 × 50,358.96
  4. Step 4: Simplify right side
    90,631.35x = 6,299,466,262.28
  5. Step 5: Solve for x
    x = 6,299,466,262.28/90,631.35
  6. Step 6: Final answer
    x = 69,506.48

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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.