Home / 71,117.73-106,445.07-52,390.35

Finding the Fourth Proportional to 71,117.73, 106,445.07 and 52,390.35

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Solution

The fourth proportional to 71,117.73, 106,445.07 and 52,390.35 is: 78,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,117.73 : 106,445.07 = 52,390.35 : x
  2. Step 2: Convert to fraction form
    71,117.73/106,445.07 = 52,390.35/x
  3. Step 3: Cross multiply
    71,117.73x = 106,445.07 × 52,390.35
  4. Step 4: Simplify right side
    71,117.73x = 5,576,694,473.07
  5. Step 5: Solve for x
    x = 5,576,694,473.07/71,117.73
  6. Step 6: Final answer
    x = 78,414.97

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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.