Home / 117,869.14-162,662.86-64,157.64

Finding the Fourth Proportional to 117,869.14, 162,662.86 and 64,157.64

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Solution

The fourth proportional to 117,869.14, 162,662.86 and 64,157.64 is: 88,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.14 : 162,662.86 = 64,157.64 : x
  2. Step 2: Convert to fraction form
    117,869.14/162,662.86 = 64,157.64/x
  3. Step 3: Cross multiply
    117,869.14x = 162,662.86 × 64,157.64
  4. Step 4: Simplify right side
    117,869.14x = 10,436,065,213.25
  5. Step 5: Solve for x
    x = 10,436,065,213.25/117,869.14
  6. Step 6: Final answer
    x = 88,539.42

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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.