Home / 54,588.30-75,333.33-30,715.82

Finding the Fourth Proportional to 54,588.30, 75,333.33 and 30,715.82

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Solution

The fourth proportional to 54,588.30, 75,333.33 and 30,715.82 is: 42,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.30 : 75,333.33 = 30,715.82 : x
  2. Step 2: Convert to fraction form
    54,588.30/75,333.33 = 30,715.82/x
  3. Step 3: Cross multiply
    54,588.30x = 75,333.33 × 30,715.82
  4. Step 4: Simplify right side
    54,588.30x = 2,313,924,850.70
  5. Step 5: Solve for x
    x = 2,313,924,850.70/54,588.30
  6. Step 6: Final answer
    x = 42,388.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.