Home / 90,187.57-135,293.64-37,584.75

Finding the Fourth Proportional to 90,187.57, 135,293.64 and 37,584.75

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Solution

The fourth proportional to 90,187.57, 135,293.64 and 37,584.75 is: 56,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187.57 : 135,293.64 = 37,584.75 : x
  2. Step 2: Convert to fraction form
    90,187.57/135,293.64 = 37,584.75/x
  3. Step 3: Cross multiply
    90,187.57x = 135,293.64 × 37,584.75
  4. Step 4: Simplify right side
    90,187.57x = 5,084,977,635.99
  5. Step 5: Solve for x
    x = 5,084,977,635.99/90,187.57
  6. Step 6: Final answer
    x = 56,382.24

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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.