Home / 90,273.44-124,573.92-49,984

Finding the Fourth Proportional to 90,273.44, 124,573.92 and 49,984

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Solution

The fourth proportional to 90,273.44, 124,573.92 and 49,984 is: 68,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.44 : 124,573.92 = 49,984 : x
  2. Step 2: Convert to fraction form
    90,273.44/124,573.92 = 49,984/x
  3. Step 3: Cross multiply
    90,273.44x = 124,573.92 × 49,984
  4. Step 4: Simplify right side
    90,273.44x = 6,226,702,817.28
  5. Step 5: Solve for x
    x = 6,226,702,817.28/90,273.44
  6. Step 6: Final answer
    x = 68,976.02

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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.