Home / 112,571.75-168,857.58-42,434.66

Finding the Fourth Proportional to 112,571.75, 168,857.58 and 42,434.66

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Solution

The fourth proportional to 112,571.75, 168,857.58 and 42,434.66 is: 63,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571.75 : 168,857.58 = 42,434.66 : x
  2. Step 2: Convert to fraction form
    112,571.75/168,857.58 = 42,434.66/x
  3. Step 3: Cross multiply
    112,571.75x = 168,857.58 × 42,434.66
  4. Step 4: Simplify right side
    112,571.75x = 7,165,413,310.56
  5. Step 5: Solve for x
    x = 7,165,413,310.56/112,571.75
  6. Step 6: Final answer
    x = 63,651.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.