Home / 58,536.75-87,751.30-21,087.66

Finding the Fourth Proportional to 58,536.75, 87,751.30 and 21,087.66

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Solution

The fourth proportional to 58,536.75, 87,751.30 and 21,087.66 is: 31,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,536.75 : 87,751.30 = 21,087.66 : x
  2. Step 2: Convert to fraction form
    58,536.75/87,751.30 = 21,087.66/x
  3. Step 3: Cross multiply
    58,536.75x = 87,751.30 × 21,087.66
  4. Step 4: Simplify right side
    58,536.75x = 1,850,469,473.52
  5. Step 5: Solve for x
    x = 1,850,469,473.52/58,536.75
  6. Step 6: Final answer
    x = 31,612.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.