Home / 52,181.12-71,910.51-51,221.41

Finding the Fourth Proportional to 52,181.12, 71,910.51 and 51,221.41

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Solution

The fourth proportional to 52,181.12, 71,910.51 and 51,221.41 is: 70,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181.12 : 71,910.51 = 51,221.41 : x
  2. Step 2: Convert to fraction form
    52,181.12/71,910.51 = 51,221.41/x
  3. Step 3: Cross multiply
    52,181.12x = 71,910.51 × 51,221.41
  4. Step 4: Simplify right side
    52,181.12x = 3,683,357,716.02
  5. Step 5: Solve for x
    x = 3,683,357,716.02/52,181.12
  6. Step 6: Final answer
    x = 70,587.94

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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.