Home / 72,774.16-109,126.68-25,383.50

Finding the Fourth Proportional to 72,774.16, 109,126.68 and 25,383.50

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Solution

The fourth proportional to 72,774.16, 109,126.68 and 25,383.50 is: 38,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,774.16 : 109,126.68 = 25,383.50 : x
  2. Step 2: Convert to fraction form
    72,774.16/109,126.68 = 25,383.50/x
  3. Step 3: Cross multiply
    72,774.16x = 109,126.68 × 25,383.50
  4. Step 4: Simplify right side
    72,774.16x = 2,770,016,850.18
  5. Step 5: Solve for x
    x = 2,770,016,850.18/72,774.16
  6. Step 6: Final answer
    x = 38,063.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.