Home / 95,133.36-131,372.30-71,218.52

Finding the Fourth Proportional to 95,133.36, 131,372.30 and 71,218.52

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Solution

The fourth proportional to 95,133.36, 131,372.30 and 71,218.52 is: 98,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,133.36 : 131,372.30 = 71,218.52 : x
  2. Step 2: Convert to fraction form
    95,133.36/131,372.30 = 71,218.52/x
  3. Step 3: Cross multiply
    95,133.36x = 131,372.30 × 71,218.52
  4. Step 4: Simplify right side
    95,133.36x = 9,356,140,775.00
  5. Step 5: Solve for x
    x = 9,356,140,775.00/95,133.36
  6. Step 6: Final answer
    x = 98,347.63

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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.