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Finding the Fourth Proportional to 77,595.38, 107,081.72 and 44,061.38

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Solution

The fourth proportional to 77,595.38, 107,081.72 and 44,061.38 is: 60,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,595.38 : 107,081.72 = 44,061.38 : x
  2. Step 2: Convert to fraction form
    77,595.38/107,081.72 = 44,061.38/x
  3. Step 3: Cross multiply
    77,595.38x = 107,081.72 × 44,061.38
  4. Step 4: Simplify right side
    77,595.38x = 4,718,167,930.72
  5. Step 5: Solve for x
    x = 4,718,167,930.72/77,595.38
  6. Step 6: Final answer
    x = 60,804.76

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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.