Home / 117,716.72-162,455.71-64,000.58

Finding the Fourth Proportional to 117,716.72, 162,455.71 and 64,000.58

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Solution

The fourth proportional to 117,716.72, 162,455.71 and 64,000.58 is: 88,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,716.72 : 162,455.71 = 64,000.58 : x
  2. Step 2: Convert to fraction form
    117,716.72/162,455.71 = 64,000.58/x
  3. Step 3: Cross multiply
    117,716.72x = 162,455.71 × 64,000.58
  4. Step 4: Simplify right side
    117,716.72x = 10,397,259,995.85
  5. Step 5: Solve for x
    x = 10,397,259,995.85/117,716.72
  6. Step 6: Final answer
    x = 88,324.41

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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.