Home / 98,869.93-136,439.82-53,546.88

Finding the Fourth Proportional to 98,869.93, 136,439.82 and 53,546.88

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Solution

The fourth proportional to 98,869.93, 136,439.82 and 53,546.88 is: 73,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.93 : 136,439.82 = 53,546.88 : x
  2. Step 2: Convert to fraction form
    98,869.93/136,439.82 = 53,546.88/x
  3. Step 3: Cross multiply
    98,869.93x = 136,439.82 × 53,546.88
  4. Step 4: Simplify right side
    98,869.93x = 7,305,926,120.43
  5. Step 5: Solve for x
    x = 7,305,926,120.43/98,869.93
  6. Step 6: Final answer
    x = 73,894.32

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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.