Home / 111,893.39-154,426.06-62,843.09

Finding the Fourth Proportional to 111,893.39, 154,426.06 and 62,843.09

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Solution

The fourth proportional to 111,893.39, 154,426.06 and 62,843.09 is: 86,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893.39 : 154,426.06 = 62,843.09 : x
  2. Step 2: Convert to fraction form
    111,893.39/154,426.06 = 62,843.09/x
  3. Step 3: Cross multiply
    111,893.39x = 154,426.06 × 62,843.09
  4. Step 4: Simplify right side
    111,893.39x = 9,704,609,739.86
  5. Step 5: Solve for x
    x = 9,704,609,739.86/111,893.39
  6. Step 6: Final answer
    x = 86,730.85

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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.