Home / 76,814.73-115,192.94-43,557.75

Finding the Fourth Proportional to 76,814.73, 115,192.94 and 43,557.75

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Solution

The fourth proportional to 76,814.73, 115,192.94 and 43,557.75 is: 65,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,814.73 : 115,192.94 = 43,557.75 : x
  2. Step 2: Convert to fraction form
    76,814.73/115,192.94 = 43,557.75/x
  3. Step 3: Cross multiply
    76,814.73x = 115,192.94 × 43,557.75
  4. Step 4: Simplify right side
    76,814.73x = 5,017,545,064.50
  5. Step 5: Solve for x
    x = 5,017,545,064.50/76,814.73
  6. Step 6: Final answer
    x = 65,320.09

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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.