Home / 78,727.55-108,646.92-44,741.77

Finding the Fourth Proportional to 78,727.55, 108,646.92 and 44,741.77

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Solution

The fourth proportional to 78,727.55, 108,646.92 and 44,741.77 is: 61,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,727.55 : 108,646.92 = 44,741.77 : x
  2. Step 2: Convert to fraction form
    78,727.55/108,646.92 = 44,741.77/x
  3. Step 3: Cross multiply
    78,727.55x = 108,646.92 × 44,741.77
  4. Step 4: Simplify right side
    78,727.55x = 4,861,055,234.23
  5. Step 5: Solve for x
    x = 4,861,055,234.23/78,727.55
  6. Step 6: Final answer
    x = 61,745.29

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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.