Home / 89,944.06-124,119.54-49,656.96

Finding the Fourth Proportional to 89,944.06, 124,119.54 and 49,656.96

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Solution

The fourth proportional to 89,944.06, 124,119.54 and 49,656.96 is: 68,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,944.06 : 124,119.54 = 49,656.96 : x
  2. Step 2: Convert to fraction form
    89,944.06/124,119.54 = 49,656.96/x
  3. Step 3: Cross multiply
    89,944.06x = 124,119.54 × 49,656.96
  4. Step 4: Simplify right side
    89,944.06x = 6,163,399,033.00
  5. Step 5: Solve for x
    x = 6,163,399,033.00/89,944.06
  6. Step 6: Final answer
    x = 68,524.80

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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.