Home / 91,929.56-137,902.28-25,369.70

Finding the Fourth Proportional to 91,929.56, 137,902.28 and 25,369.70

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Solution

The fourth proportional to 91,929.56, 137,902.28 and 25,369.70 is: 38,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,929.56 : 137,902.28 = 25,369.70 : x
  2. Step 2: Convert to fraction form
    91,929.56/137,902.28 = 25,369.70/x
  3. Step 3: Cross multiply
    91,929.56x = 137,902.28 × 25,369.70
  4. Step 4: Simplify right side
    91,929.56x = 3,498,538,656.56
  5. Step 5: Solve for x
    x = 3,498,538,656.56/91,929.56
  6. Step 6: Final answer
    x = 38,056.73

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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.