Home / 90,060.36-135,116.62-27,740.04

Finding the Fourth Proportional to 90,060.36, 135,116.62 and 27,740.04

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Solution

The fourth proportional to 90,060.36, 135,116.62 and 27,740.04 is: 41,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060.36 : 135,116.62 = 27,740.04 : x
  2. Step 2: Convert to fraction form
    90,060.36/135,116.62 = 27,740.04/x
  3. Step 3: Cross multiply
    90,060.36x = 135,116.62 × 27,740.04
  4. Step 4: Simplify right side
    90,060.36x = 3,748,140,443.46
  5. Step 5: Solve for x
    x = 3,748,140,443.46/90,060.36
  6. Step 6: Final answer
    x = 41,618.09

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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.