Home / 89,965.44-124,035.84-61,620.48

Finding the Fourth Proportional to 89,965.44, 124,035.84 and 61,620.48

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Solution

The fourth proportional to 89,965.44, 124,035.84 and 61,620.48 is: 84,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965.44 : 124,035.84 = 61,620.48 : x
  2. Step 2: Convert to fraction form
    89,965.44/124,035.84 = 61,620.48/x
  3. Step 3: Cross multiply
    89,965.44x = 124,035.84 × 61,620.48
  4. Step 4: Simplify right side
    89,965.44x = 7,643,147,998.00
  5. Step 5: Solve for x
    x = 7,643,147,998.00/89,965.44
  6. Step 6: Final answer
    x = 84,956.49

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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.