Home / 117,660.44-162,385.22-69,913.82

Finding the Fourth Proportional to 117,660.44, 162,385.22 and 69,913.82

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Solution

The fourth proportional to 117,660.44, 162,385.22 and 69,913.82 is: 96,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,660.44 : 162,385.22 = 69,913.82 : x
  2. Step 2: Convert to fraction form
    117,660.44/162,385.22 = 69,913.82/x
  3. Step 3: Cross multiply
    117,660.44x = 162,385.22 × 69,913.82
  4. Step 4: Simplify right side
    117,660.44x = 11,352,971,041.74
  5. Step 5: Solve for x
    x = 11,352,971,041.74/117,660.44
  6. Step 6: Final answer
    x = 96,489.28

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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.