Home / 90,982.71-125,554.44-50,695.61

Finding the Fourth Proportional to 90,982.71, 125,554.44 and 50,695.61

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Solution

The fourth proportional to 90,982.71, 125,554.44 and 50,695.61 is: 69,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.71 : 125,554.44 = 50,695.61 : x
  2. Step 2: Convert to fraction form
    90,982.71/125,554.44 = 50,695.61/x
  3. Step 3: Cross multiply
    90,982.71x = 125,554.44 × 50,695.61
  4. Step 4: Simplify right side
    90,982.71x = 6,365,058,767.07
  5. Step 5: Solve for x
    x = 6,365,058,767.07/90,982.71
  6. Step 6: Final answer
    x = 69,959.00

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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.