Home / 90,227.48-124,512.20-49,941.28

Finding the Fourth Proportional to 90,227.48, 124,512.20 and 49,941.28

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Solution

The fourth proportional to 90,227.48, 124,512.20 and 49,941.28 is: 68,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.48 : 124,512.20 = 49,941.28 : x
  2. Step 2: Convert to fraction form
    90,227.48/124,512.20 = 49,941.28/x
  3. Step 3: Cross multiply
    90,227.48x = 124,512.20 × 49,941.28
  4. Step 4: Simplify right side
    90,227.48x = 6,218,298,643.62
  5. Step 5: Solve for x
    x = 6,218,298,643.62/90,227.48
  6. Step 6: Final answer
    x = 68,918.01

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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.