Home / 98,823.30-136,375.20-53,500.09

Finding the Fourth Proportional to 98,823.30, 136,375.20 and 53,500.09

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Solution

The fourth proportional to 98,823.30, 136,375.20 and 53,500.09 is: 73,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,823.30 : 136,375.20 = 53,500.09 : x
  2. Step 2: Convert to fraction form
    98,823.30/136,375.20 = 53,500.09/x
  3. Step 3: Cross multiply
    98,823.30x = 136,375.20 × 53,500.09
  4. Step 4: Simplify right side
    98,823.30x = 7,296,085,473.77
  5. Step 5: Solve for x
    x = 7,296,085,473.77/98,823.30
  6. Step 6: Final answer
    x = 73,829.61

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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.