Home / 78,527.07-117,793.85-25,936.47

Finding the Fourth Proportional to 78,527.07, 117,793.85 and 25,936.47

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Solution

The fourth proportional to 78,527.07, 117,793.85 and 25,936.47 is: 38,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,527.07 : 117,793.85 = 25,936.47 : x
  2. Step 2: Convert to fraction form
    78,527.07/117,793.85 = 25,936.47/x
  3. Step 3: Cross multiply
    78,527.07x = 117,793.85 × 25,936.47
  4. Step 4: Simplify right side
    78,527.07x = 3,055,156,527.03
  5. Step 5: Solve for x
    x = 3,055,156,527.03/78,527.07
  6. Step 6: Final answer
    x = 38,905.78

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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.