Home / 98,829.22-136,385.39-53,508.14

Finding the Fourth Proportional to 98,829.22, 136,385.39 and 53,508.14

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Solution

The fourth proportional to 98,829.22, 136,385.39 and 53,508.14 is: 73,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.22 : 136,385.39 = 53,508.14 : x
  2. Step 2: Convert to fraction form
    98,829.22/136,385.39 = 53,508.14/x
  3. Step 3: Cross multiply
    98,829.22x = 136,385.39 × 53,508.14
  4. Step 4: Simplify right side
    98,829.22x = 7,297,728,542.07
  5. Step 5: Solve for x
    x = 7,297,728,542.07/98,829.22
  6. Step 6: Final answer
    x = 73,841.81

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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.