Home / 90,603.64-135,766.92-37,984.44

Finding the Fourth Proportional to 90,603.64, 135,766.92 and 37,984.44

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Solution

The fourth proportional to 90,603.64, 135,766.92 and 37,984.44 is: 56,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,603.64 : 135,766.92 = 37,984.44 : x
  2. Step 2: Convert to fraction form
    90,603.64/135,766.92 = 37,984.44/x
  3. Step 3: Cross multiply
    90,603.64x = 135,766.92 × 37,984.44
  4. Step 4: Simplify right side
    90,603.64x = 5,157,030,426.72
  5. Step 5: Solve for x
    x = 5,157,030,426.72/90,603.64
  6. Step 6: Final answer
    x = 56,918.58

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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.