Home / 90,583.30-135,821.76-27,384.40

Finding the Fourth Proportional to 90,583.30, 135,821.76 and 27,384.40

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Solution

The fourth proportional to 90,583.30, 135,821.76 and 27,384.40 is: 41,060.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,583.30 : 135,821.76 = 27,384.40 : x
  2. Step 2: Convert to fraction form
    90,583.30/135,821.76 = 27,384.40/x
  3. Step 3: Cross multiply
    90,583.30x = 135,821.76 × 27,384.40
  4. Step 4: Simplify right side
    90,583.30x = 3,719,397,404.54
  5. Step 5: Solve for x
    x = 3,719,397,404.54/90,583.30
  6. Step 6: Final answer
    x = 41,060.52

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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.