Home / 98,869.62-136,439.40-53,546.58

Finding the Fourth Proportional to 98,869.62, 136,439.40 and 53,546.58

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Solution

The fourth proportional to 98,869.62, 136,439.40 and 53,546.58 is: 73,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.62 : 136,439.40 = 53,546.58 : x
  2. Step 2: Convert to fraction form
    98,869.62/136,439.40 = 53,546.58/x
  3. Step 3: Cross multiply
    98,869.62x = 136,439.40 × 53,546.58
  4. Step 4: Simplify right side
    98,869.62x = 7,305,863,247.25
  5. Step 5: Solve for x
    x = 7,305,863,247.25/98,869.62
  6. Step 6: Final answer
    x = 73,893.91

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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.