Home / 90,374.52-135,563.58-63,611.04

Finding the Fourth Proportional to 90,374.52, 135,563.58 and 63,611.04

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Solution

The fourth proportional to 90,374.52, 135,563.58 and 63,611.04 is: 95,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.52 : 135,563.58 = 63,611.04 : x
  2. Step 2: Convert to fraction form
    90,374.52/135,563.58 = 63,611.04/x
  3. Step 3: Cross multiply
    90,374.52x = 135,563.58 × 63,611.04
  4. Step 4: Simplify right side
    90,374.52x = 8,623,340,309.92
  5. Step 5: Solve for x
    x = 8,623,340,309.92/90,374.52
  6. Step 6: Final answer
    x = 95,417.83

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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.