Home / 91,174.82-125,722.05-59,284.58

Finding the Fourth Proportional to 91,174.82, 125,722.05 and 59,284.58

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Solution

The fourth proportional to 91,174.82, 125,722.05 and 59,284.58 is: 81,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,174.82 : 125,722.05 = 59,284.58 : x
  2. Step 2: Convert to fraction form
    91,174.82/125,722.05 = 59,284.58/x
  3. Step 3: Cross multiply
    91,174.82x = 125,722.05 × 59,284.58
  4. Step 4: Simplify right side
    91,174.82x = 7,453,378,930.99
  5. Step 5: Solve for x
    x = 7,453,378,930.99/91,174.82
  6. Step 6: Final answer
    x = 81,748.22

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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.