Home / 117,561.90-162,236.38-63,847.30

Finding the Fourth Proportional to 117,561.90, 162,236.38 and 63,847.30

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Solution

The fourth proportional to 117,561.90, 162,236.38 and 63,847.30 is: 88,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.90 : 162,236.38 = 63,847.30 : x
  2. Step 2: Convert to fraction form
    117,561.90/162,236.38 = 63,847.30/x
  3. Step 3: Cross multiply
    117,561.90x = 162,236.38 × 63,847.30
  4. Step 4: Simplify right side
    117,561.90x = 10,358,354,505.54
  5. Step 5: Solve for x
    x = 10,358,354,505.54/117,561.90
  6. Step 6: Final answer
    x = 88,109.79

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1.5x scale

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.