Home / 67,249.95-100,741.27-61,738.71

Finding the Fourth Proportional to 67,249.95, 100,741.27 and 61,738.71

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Solution

The fourth proportional to 67,249.95, 100,741.27 and 61,738.71 is: 92,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,249.95 : 100,741.27 = 61,738.71 : x
  2. Step 2: Convert to fraction form
    67,249.95/100,741.27 = 61,738.71/x
  3. Step 3: Cross multiply
    67,249.95x = 100,741.27 × 61,738.71
  4. Step 4: Simplify right side
    67,249.95x = 6,219,635,637.20
  5. Step 5: Solve for x
    x = 6,219,635,637.20/67,249.95
  6. Step 6: Final answer
    x = 92,485.36

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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.