Home / 71,663.49-98,724.66-50,112.96

Finding the Fourth Proportional to 71,663.49, 98,724.66 and 50,112.96

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Solution

The fourth proportional to 71,663.49, 98,724.66 and 50,112.96 is: 69,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663.49 : 98,724.66 = 50,112.96 : x
  2. Step 2: Convert to fraction form
    71,663.49/98,724.66 = 50,112.96/x
  3. Step 3: Cross multiply
    71,663.49x = 98,724.66 × 50,112.96
  4. Step 4: Simplify right side
    71,663.49x = 4,947,384,937.59
  5. Step 5: Solve for x
    x = 4,947,384,937.59/71,663.49
  6. Step 6: Final answer
    x = 69,036.34

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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.