Home / 77,148.91-115,667.75-35,007.85

Finding the Fourth Proportional to 77,148.91, 115,667.75 and 35,007.85

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Solution

The fourth proportional to 77,148.91, 115,667.75 and 35,007.85 is: 52,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,148.91 : 115,667.75 = 35,007.85 : x
  2. Step 2: Convert to fraction form
    77,148.91/115,667.75 = 35,007.85/x
  3. Step 3: Cross multiply
    77,148.91x = 115,667.75 × 35,007.85
  4. Step 4: Simplify right side
    77,148.91x = 4,049,278,626.39
  5. Step 5: Solve for x
    x = 4,049,278,626.39/77,148.91
  6. Step 6: Final answer
    x = 52,486.53

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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.