Home / 110,639.80-152,696.64-67,610.44

Finding the Fourth Proportional to 110,639.80, 152,696.64 and 67,610.44

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Solution

The fourth proportional to 110,639.80, 152,696.64 and 67,610.44 is: 93,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,639.80 : 152,696.64 = 67,610.44 : x
  2. Step 2: Convert to fraction form
    110,639.80/152,696.64 = 67,610.44/x
  3. Step 3: Cross multiply
    110,639.80x = 152,696.64 × 67,610.44
  4. Step 4: Simplify right side
    110,639.80x = 10,323,887,016.92
  5. Step 5: Solve for x
    x = 10,323,887,016.92/110,639.80
  6. Step 6: Final answer
    x = 93,310.79

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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.