Home / 76,029.12-104,915.94-42,035.61

Finding the Fourth Proportional to 76,029.12, 104,915.94 and 42,035.61

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Solution

The fourth proportional to 76,029.12, 104,915.94 and 42,035.61 is: 58,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.12 : 104,915.94 = 42,035.61 : x
  2. Step 2: Convert to fraction form
    76,029.12/104,915.94 = 42,035.61/x
  3. Step 3: Cross multiply
    76,029.12x = 104,915.94 × 42,035.61
  4. Step 4: Simplify right side
    76,029.12x = 4,410,205,536.62
  5. Step 5: Solve for x
    x = 4,410,205,536.62/76,029.12
  6. Step 6: Final answer
    x = 58,006.79

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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.