Home / 98,964.13-136,579.13-54,260.77

Finding the Fourth Proportional to 98,964.13, 136,579.13 and 54,260.77

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Solution

The fourth proportional to 98,964.13, 136,579.13 and 54,260.77 is: 74,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.13 : 136,579.13 = 54,260.77 : x
  2. Step 2: Convert to fraction form
    98,964.13/136,579.13 = 54,260.77/x
  3. Step 3: Cross multiply
    98,964.13x = 136,579.13 × 54,260.77
  4. Step 4: Simplify right side
    98,964.13x = 7,410,888,759.73
  5. Step 5: Solve for x
    x = 7,410,888,759.73/98,964.13
  6. Step 6: Final answer
    x = 74,884.59

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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.