Home / 118,069.92-162,936.36-64,355.04

Finding the Fourth Proportional to 118,069.92, 162,936.36 and 64,355.04

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Solution

The fourth proportional to 118,069.92, 162,936.36 and 64,355.04 is: 88,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,069.92 : 162,936.36 = 64,355.04 : x
  2. Step 2: Convert to fraction form
    118,069.92/162,936.36 = 64,355.04/x
  3. Step 3: Cross multiply
    118,069.92x = 162,936.36 × 64,355.04
  4. Step 4: Simplify right side
    118,069.92x = 10,485,775,965.25
  5. Step 5: Solve for x
    x = 10,485,775,965.25/118,069.92
  6. Step 6: Final answer
    x = 88,809.88

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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.