Home / 117,947.14-162,768.99-64,233.20

Finding the Fourth Proportional to 117,947.14, 162,768.99 and 64,233.20

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Solution

The fourth proportional to 117,947.14, 162,768.99 and 64,233.20 is: 88,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,947.14 : 162,768.99 = 64,233.20 : x
  2. Step 2: Convert to fraction form
    117,947.14/162,768.99 = 64,233.20/x
  3. Step 3: Cross multiply
    117,947.14x = 162,768.99 × 64,233.20
  4. Step 4: Simplify right side
    117,947.14x = 10,455,173,736.27
  5. Step 5: Solve for x
    x = 10,455,173,736.27/117,947.14
  6. Step 6: Final answer
    x = 88,642.88

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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.