Home / 69,444.27-103,559.39-61,789.77

Finding the Fourth Proportional to 69,444.27, 103,559.39 and 61,789.77

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Solution

The fourth proportional to 69,444.27, 103,559.39 and 61,789.77 is: 92,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,444.27 : 103,559.39 = 61,789.77 : x
  2. Step 2: Convert to fraction form
    69,444.27/103,559.39 = 61,789.77/x
  3. Step 3: Cross multiply
    69,444.27x = 103,559.39 × 61,789.77
  4. Step 4: Simplify right side
    69,444.27x = 6,398,910,655.57
  5. Step 5: Solve for x
    x = 6,398,910,655.57/69,444.27
  6. Step 6: Final answer
    x = 92,144.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.