Home / 61,581.78-84,982.79-33,287.47

Finding the Fourth Proportional to 61,581.78, 84,982.79 and 33,287.47

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Solution

The fourth proportional to 61,581.78, 84,982.79 and 33,287.47 is: 45,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.78 : 84,982.79 = 33,287.47 : x
  2. Step 2: Convert to fraction form
    61,581.78/84,982.79 = 33,287.47/x
  3. Step 3: Cross multiply
    61,581.78x = 84,982.79 × 33,287.47
  4. Step 4: Simplify right side
    61,581.78x = 2,828,861,943.40
  5. Step 5: Solve for x
    x = 2,828,861,943.40/61,581.78
  6. Step 6: Final answer
    x = 45,936.67

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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.