Home / 90,273.73-124,569.05-53,968.00

Finding the Fourth Proportional to 90,273.73, 124,569.05 and 53,968.00

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Solution

The fourth proportional to 90,273.73, 124,569.05 and 53,968.00 is: 74,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.73 : 124,569.05 = 53,968.00 : x
  2. Step 2: Convert to fraction form
    90,273.73/124,569.05 = 53,968.00/x
  3. Step 3: Cross multiply
    90,273.73x = 124,569.05 × 53,968.00
  4. Step 4: Simplify right side
    90,273.73x = 6,722,741,867.55
  5. Step 5: Solve for x
    x = 6,722,741,867.55/90,273.73
  6. Step 6: Final answer
    x = 74,470.64

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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.