Home / 90,995.49-136,493.57-27,815.35

Finding the Fourth Proportional to 90,995.49, 136,493.57 and 27,815.35

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Solution

The fourth proportional to 90,995.49, 136,493.57 and 27,815.35 is: 41,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.49 : 136,493.57 = 27,815.35 : x
  2. Step 2: Convert to fraction form
    90,995.49/136,493.57 = 27,815.35/x
  3. Step 3: Cross multiply
    90,995.49x = 136,493.57 × 27,815.35
  4. Step 4: Simplify right side
    90,995.49x = 3,796,616,422.30
  5. Step 5: Solve for x
    x = 3,796,616,422.30/90,995.49
  6. Step 6: Final answer
    x = 41,723.13

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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.