Home / 90,255.54-124,553.63-49,969.96

Finding the Fourth Proportional to 90,255.54, 124,553.63 and 49,969.96

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Solution

The fourth proportional to 90,255.54, 124,553.63 and 49,969.96 is: 68,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255.54 : 124,553.63 = 49,969.96 : x
  2. Step 2: Convert to fraction form
    90,255.54/124,553.63 = 49,969.96/x
  3. Step 3: Cross multiply
    90,255.54x = 124,553.63 × 49,969.96
  4. Step 4: Simplify right side
    90,255.54x = 6,223,939,908.95
  5. Step 5: Solve for x
    x = 6,223,939,908.95/90,255.54
  6. Step 6: Final answer
    x = 68,959.09

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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.