Home / 117,914.72-162,777.15-69,501.38

Finding the Fourth Proportional to 117,914.72, 162,777.15 and 69,501.38

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Solution

The fourth proportional to 117,914.72, 162,777.15 and 69,501.38 is: 95,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914.72 : 162,777.15 = 69,501.38 : x
  2. Step 2: Convert to fraction form
    117,914.72/162,777.15 = 69,501.38/x
  3. Step 3: Cross multiply
    117,914.72x = 162,777.15 × 69,501.38
  4. Step 4: Simplify right side
    117,914.72x = 11,313,235,743.58
  5. Step 5: Solve for x
    x = 11,313,235,743.58/117,914.72
  6. Step 6: Final answer
    x = 95,944.22

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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.