Home / 117,656.88-162,368.04-63,942.75

Finding the Fourth Proportional to 117,656.88, 162,368.04 and 63,942.75

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Solution

The fourth proportional to 117,656.88, 162,368.04 and 63,942.75 is: 88,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,656.88 : 162,368.04 = 63,942.75 : x
  2. Step 2: Convert to fraction form
    117,656.88/162,368.04 = 63,942.75/x
  3. Step 3: Cross multiply
    117,656.88x = 162,368.04 × 63,942.75
  4. Step 4: Simplify right side
    117,656.88x = 10,382,258,989.71
  5. Step 5: Solve for x
    x = 10,382,258,989.71/117,656.88
  6. Step 6: Final answer
    x = 88,241.83

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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.