Home / 90,592.05-135,804.23-34,415.31

Finding the Fourth Proportional to 90,592.05, 135,804.23 and 34,415.31

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Solution

The fourth proportional to 90,592.05, 135,804.23 and 34,415.31 is: 51,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.05 : 135,804.23 = 34,415.31 : x
  2. Step 2: Convert to fraction form
    90,592.05/135,804.23 = 34,415.31/x
  3. Step 3: Cross multiply
    90,592.05x = 135,804.23 × 34,415.31
  4. Step 4: Simplify right side
    90,592.05x = 4,673,744,674.76
  5. Step 5: Solve for x
    x = 4,673,744,674.76/90,592.05
  6. Step 6: Final answer
    x = 51,591.11

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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.