Home / 117,717.90-162,453.97-64,006.59

Finding the Fourth Proportional to 117,717.90, 162,453.97 and 64,006.59

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Solution

The fourth proportional to 117,717.90, 162,453.97 and 64,006.59 is: 88,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.90 : 162,453.97 = 64,006.59 : x
  2. Step 2: Convert to fraction form
    117,717.90/162,453.97 = 64,006.59/x
  3. Step 3: Cross multiply
    117,717.90x = 162,453.97 × 64,006.59
  4. Step 4: Simplify right side
    117,717.90x = 10,398,124,651.66
  5. Step 5: Solve for x
    x = 10,398,124,651.66/117,717.90
  6. Step 6: Final answer
    x = 88,330.87

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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.