Home / 90,073.08-135,111.24-27,744.12

Finding the Fourth Proportional to 90,073.08, 135,111.24 and 27,744.12

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Solution

The fourth proportional to 90,073.08, 135,111.24 and 27,744.12 is: 41,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073.08 : 135,111.24 = 27,744.12 : x
  2. Step 2: Convert to fraction form
    90,073.08/135,111.24 = 27,744.12/x
  3. Step 3: Cross multiply
    90,073.08x = 135,111.24 × 27,744.12
  4. Step 4: Simplify right side
    90,073.08x = 3,748,542,455.91
  5. Step 5: Solve for x
    x = 3,748,542,455.91/90,073.08
  6. Step 6: Final answer
    x = 41,616.68

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1.5x scale

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.