Home / 90,564.53-135,802.62-27,372.47

Finding the Fourth Proportional to 90,564.53, 135,802.62 and 27,372.47

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Solution

The fourth proportional to 90,564.53, 135,802.62 and 27,372.47 is: 41,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,564.53 : 135,802.62 = 27,372.47 : x
  2. Step 2: Convert to fraction form
    90,564.53/135,802.62 = 27,372.47/x
  3. Step 3: Cross multiply
    90,564.53x = 135,802.62 × 27,372.47
  4. Step 4: Simplify right side
    90,564.53x = 3,717,253,141.87
  5. Step 5: Solve for x
    x = 3,717,253,141.87/90,564.53
  6. Step 6: Final answer
    x = 41,045.35

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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.