Home / 117,876.42-162,683.33-66,202.02

Finding the Fourth Proportional to 117,876.42, 162,683.33 and 66,202.02

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Solution

The fourth proportional to 117,876.42, 162,683.33 and 66,202.02 is: 91,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.42 : 162,683.33 = 66,202.02 : x
  2. Step 2: Convert to fraction form
    117,876.42/162,683.33 = 66,202.02/x
  3. Step 3: Cross multiply
    117,876.42x = 162,683.33 × 66,202.02
  4. Step 4: Simplify right side
    117,876.42x = 10,769,965,066.33
  5. Step 5: Solve for x
    x = 10,769,965,066.33/117,876.42
  6. Step 6: Final answer
    x = 91,366.58

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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.