Home / 117,645.14-162,347.01-63,928.37

Finding the Fourth Proportional to 117,645.14, 162,347.01 and 63,928.37

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Solution

The fourth proportional to 117,645.14, 162,347.01 and 63,928.37 is: 88,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,645.14 : 162,347.01 = 63,928.37 : x
  2. Step 2: Convert to fraction form
    117,645.14/162,347.01 = 63,928.37/x
  3. Step 3: Cross multiply
    117,645.14x = 162,347.01 × 63,928.37
  4. Step 4: Simplify right side
    117,645.14x = 10,378,579,723.67
  5. Step 5: Solve for x
    x = 10,378,579,723.67/117,645.14
  6. Step 6: Final answer
    x = 88,219.37

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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.