Home / 90,273.74-124,581.62-49,987.46

Finding the Fourth Proportional to 90,273.74, 124,581.62 and 49,987.46

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Solution

The fourth proportional to 90,273.74, 124,581.62 and 49,987.46 is: 68,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.74 : 124,581.62 = 49,987.46 : x
  2. Step 2: Convert to fraction form
    90,273.74/124,581.62 = 49,987.46/x
  3. Step 3: Cross multiply
    90,273.74x = 124,581.62 × 49,987.46
  4. Step 4: Simplify right side
    90,273.74x = 6,227,517,873.64
  5. Step 5: Solve for x
    x = 6,227,517,873.64/90,273.74
  6. Step 6: Final answer
    x = 68,984.83

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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.