Home / 117,917.50-162,725.10-64,202.38

Finding the Fourth Proportional to 117,917.50, 162,725.10 and 64,202.38

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Solution

The fourth proportional to 117,917.50, 162,725.10 and 64,202.38 is: 88,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917.50 : 162,725.10 = 64,202.38 : x
  2. Step 2: Convert to fraction form
    117,917.50/162,725.10 = 64,202.38/x
  3. Step 3: Cross multiply
    117,917.50x = 162,725.10 × 64,202.38
  4. Step 4: Simplify right side
    117,917.50x = 10,447,338,705.74
  5. Step 5: Solve for x
    x = 10,447,338,705.74/117,917.50
  6. Step 6: Final answer
    x = 88,598.71

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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.