Home / 112,317.78-154,997.78-62,016.78

Finding the Fourth Proportional to 112,317.78, 154,997.78 and 62,016.78

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Solution

The fourth proportional to 112,317.78, 154,997.78 and 62,016.78 is: 85,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,317.78 : 154,997.78 = 62,016.78 : x
  2. Step 2: Convert to fraction form
    112,317.78/154,997.78 = 62,016.78/x
  3. Step 3: Cross multiply
    112,317.78x = 154,997.78 × 62,016.78
  4. Step 4: Simplify right side
    112,317.78x = 9,612,462,912.66
  5. Step 5: Solve for x
    x = 9,612,462,912.66/112,317.78
  6. Step 6: Final answer
    x = 85,582.74

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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.