Home / 90,077.24-124,318.94-51,836.01

Finding the Fourth Proportional to 90,077.24, 124,318.94 and 51,836.01

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Solution

The fourth proportional to 90,077.24, 124,318.94 and 51,836.01 is: 71,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.24 : 124,318.94 = 51,836.01 : x
  2. Step 2: Convert to fraction form
    90,077.24/124,318.94 = 51,836.01/x
  3. Step 3: Cross multiply
    90,077.24x = 124,318.94 × 51,836.01
  4. Step 4: Simplify right side
    90,077.24x = 6,444,197,817.03
  5. Step 5: Solve for x
    x = 6,444,197,817.03/90,077.24
  6. Step 6: Final answer
    x = 71,540.80

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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.