Home / 87,954.23-121,376.52-47,668.97

Finding the Fourth Proportional to 87,954.23, 121,376.52 and 47,668.97

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Solution

The fourth proportional to 87,954.23, 121,376.52 and 47,668.97 is: 65,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.23 : 121,376.52 = 47,668.97 : x
  2. Step 2: Convert to fraction form
    87,954.23/121,376.52 = 47,668.97/x
  3. Step 3: Cross multiply
    87,954.23x = 121,376.52 × 47,668.97
  4. Step 4: Simplify right side
    87,954.23x = 5,785,893,083.70
  5. Step 5: Solve for x
    x = 5,785,893,083.70/87,954.23
  6. Step 6: Final answer
    x = 65,783.00

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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.