Home / 77,384.15-106,750.82-50,542.37

Finding the Fourth Proportional to 77,384.15, 106,750.82 and 50,542.37

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Solution

The fourth proportional to 77,384.15, 106,750.82 and 50,542.37 is: 69,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384.15 : 106,750.82 = 50,542.37 : x
  2. Step 2: Convert to fraction form
    77,384.15/106,750.82 = 50,542.37/x
  3. Step 3: Cross multiply
    77,384.15x = 106,750.82 × 50,542.37
  4. Step 4: Simplify right side
    77,384.15x = 5,395,439,442.24
  5. Step 5: Solve for x
    x = 5,395,439,442.24/77,384.15
  6. Step 6: Final answer
    x = 69,722.80

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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.