Home / 90,383.59-135,574.70-27,203.44

Finding the Fourth Proportional to 90,383.59, 135,574.70 and 27,203.44

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Solution

The fourth proportional to 90,383.59, 135,574.70 and 27,203.44 is: 40,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383.59 : 135,574.70 = 27,203.44 : x
  2. Step 2: Convert to fraction form
    90,383.59/135,574.70 = 27,203.44/x
  3. Step 3: Cross multiply
    90,383.59x = 135,574.70 × 27,203.44
  4. Step 4: Simplify right side
    90,383.59x = 3,688,097,742.01
  5. Step 5: Solve for x
    x = 3,688,097,742.01/90,383.59
  6. Step 6: Final answer
    x = 40,804.95

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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.