Home / 90,029.61-135,044.28-27,700.11

Finding the Fourth Proportional to 90,029.61, 135,044.28 and 27,700.11

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Solution

The fourth proportional to 90,029.61, 135,044.28 and 27,700.11 is: 41,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,029.61 : 135,044.28 = 27,700.11 : x
  2. Step 2: Convert to fraction form
    90,029.61/135,044.28 = 27,700.11/x
  3. Step 3: Cross multiply
    90,029.61x = 135,044.28 × 27,700.11
  4. Step 4: Simplify right side
    90,029.61x = 3,740,741,410.87
  5. Step 5: Solve for x
    x = 3,740,741,410.87/90,029.61
  6. Step 6: Final answer
    x = 41,550.12

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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.