Home / 77,234.61-115,653.33-53,508.36

Finding the Fourth Proportional to 77,234.61, 115,653.33 and 53,508.36

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Solution

The fourth proportional to 77,234.61, 115,653.33 and 53,508.36 is: 80,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,234.61 : 115,653.33 = 53,508.36 : x
  2. Step 2: Convert to fraction form
    77,234.61/115,653.33 = 53,508.36/x
  3. Step 3: Cross multiply
    77,234.61x = 115,653.33 × 53,508.36
  4. Step 4: Simplify right side
    77,234.61x = 6,188,420,016.84
  5. Step 5: Solve for x
    x = 6,188,420,016.84/77,234.61
  6. Step 6: Final answer
    x = 80,124.96

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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.