Home / 101,741.06-140,402.67-56,425.97

Finding the Fourth Proportional to 101,741.06, 140,402.67 and 56,425.97

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Solution

The fourth proportional to 101,741.06, 140,402.67 and 56,425.97 is: 77,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,741.06 : 140,402.67 = 56,425.97 : x
  2. Step 2: Convert to fraction form
    101,741.06/140,402.67 = 56,425.97/x
  3. Step 3: Cross multiply
    101,741.06x = 140,402.67 × 56,425.97
  4. Step 4: Simplify right side
    101,741.06x = 7,922,356,194.98
  5. Step 5: Solve for x
    x = 7,922,356,194.98/101,741.06
  6. Step 6: Final answer
    x = 77,867.83

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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.