Home / 58,536.45-87,750.86-21,087.37

Finding the Fourth Proportional to 58,536.45, 87,750.86 and 21,087.37

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Solution

The fourth proportional to 58,536.45, 87,750.86 and 21,087.37 is: 31,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,536.45 : 87,750.86 = 21,087.37 : x
  2. Step 2: Convert to fraction form
    58,536.45/87,750.86 = 21,087.37/x
  3. Step 3: Cross multiply
    58,536.45x = 87,750.86 × 21,087.37
  4. Step 4: Simplify right side
    58,536.45x = 1,850,434,308.45
  5. Step 5: Solve for x
    x = 1,850,434,308.45/58,536.45
  6. Step 6: Final answer
    x = 31,611.66

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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.