Home / 76,504.56-113,987.91-72,207.27

Finding the Fourth Proportional to 76,504.56, 113,987.91 and 72,207.27

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Solution

The fourth proportional to 76,504.56, 113,987.91 and 72,207.27 is: 107,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,504.56 : 113,987.91 = 72,207.27 : x
  2. Step 2: Convert to fraction form
    76,504.56/113,987.91 = 72,207.27/x
  3. Step 3: Cross multiply
    76,504.56x = 113,987.91 × 72,207.27
  4. Step 4: Simplify right side
    76,504.56x = 8,230,755,794.11
  5. Step 5: Solve for x
    x = 8,230,755,794.11/76,504.56
  6. Step 6: Final answer
    x = 107,585.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.