Home / 82,098.09-122,951.66-52,424.01

Finding the Fourth Proportional to 82,098.09, 122,951.66 and 52,424.01

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Solution

The fourth proportional to 82,098.09, 122,951.66 and 52,424.01 is: 78,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,098.09 : 122,951.66 = 52,424.01 : x
  2. Step 2: Convert to fraction form
    82,098.09/122,951.66 = 52,424.01/x
  3. Step 3: Cross multiply
    82,098.09x = 122,951.66 × 52,424.01
  4. Step 4: Simplify right side
    82,098.09x = 6,445,618,791.24
  5. Step 5: Solve for x
    x = 6,445,618,791.24/82,098.09
  6. Step 6: Final answer
    x = 78,511.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.