Home / 101,971.41-140,716.65-56,652.27

Finding the Fourth Proportional to 101,971.41, 140,716.65 and 56,652.27

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Solution

The fourth proportional to 101,971.41, 140,716.65 and 56,652.27 is: 78,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971.41 : 140,716.65 = 56,652.27 : x
  2. Step 2: Convert to fraction form
    101,971.41/140,716.65 = 56,652.27/x
  3. Step 3: Cross multiply
    101,971.41x = 140,716.65 × 56,652.27
  4. Step 4: Simplify right side
    101,971.41x = 7,971,917,649.30
  5. Step 5: Solve for x
    x = 7,971,917,649.30/101,971.41
  6. Step 6: Final answer
    x = 78,177.97

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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.