Home / 77,084.58-115,543.92-50,420.52

Finding the Fourth Proportional to 77,084.58, 115,543.92 and 50,420.52

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Solution

The fourth proportional to 77,084.58, 115,543.92 and 50,420.52 is: 75,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,084.58 : 115,543.92 = 50,420.52 : x
  2. Step 2: Convert to fraction form
    77,084.58/115,543.92 = 50,420.52/x
  3. Step 3: Cross multiply
    77,084.58x = 115,543.92 × 50,420.52
  4. Step 4: Simplify right side
    77,084.58x = 5,825,784,529.24
  5. Step 5: Solve for x
    x = 5,825,784,529.24/77,084.58
  6. Step 6: Final answer
    x = 75,576.52

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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.