Home / 90,405.17-135,592.25-23,845.95

Finding the Fourth Proportional to 90,405.17, 135,592.25 and 23,845.95

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Solution

The fourth proportional to 90,405.17, 135,592.25 and 23,845.95 is: 35,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,405.17 : 135,592.25 = 23,845.95 : x
  2. Step 2: Convert to fraction form
    90,405.17/135,592.25 = 23,845.95/x
  3. Step 3: Cross multiply
    90,405.17x = 135,592.25 × 23,845.95
  4. Step 4: Simplify right side
    90,405.17x = 3,233,326,073.50
  5. Step 5: Solve for x
    x = 3,233,326,073.50/90,405.17
  6. Step 6: Final answer
    x = 35,764.84

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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.