Home / 89,964.44-124,187.28-54,185.12

Finding the Fourth Proportional to 89,964.44, 124,187.28 and 54,185.12

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Solution

The fourth proportional to 89,964.44, 124,187.28 and 54,185.12 is: 74,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.44 : 124,187.28 = 54,185.12 : x
  2. Step 2: Convert to fraction form
    89,964.44/124,187.28 = 54,185.12/x
  3. Step 3: Cross multiply
    89,964.44x = 124,187.28 × 54,185.12
  4. Step 4: Simplify right side
    89,964.44x = 6,729,102,669.27
  5. Step 5: Solve for x
    x = 6,729,102,669.27/89,964.44
  6. Step 6: Final answer
    x = 74,797.36

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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.