Home / 76,942.98-106,184.52-42,953.36

Finding the Fourth Proportional to 76,942.98, 106,184.52 and 42,953.36

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Solution

The fourth proportional to 76,942.98, 106,184.52 and 42,953.36 is: 59,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,942.98 : 106,184.52 = 42,953.36 : x
  2. Step 2: Convert to fraction form
    76,942.98/106,184.52 = 42,953.36/x
  3. Step 3: Cross multiply
    76,942.98x = 106,184.52 × 42,953.36
  4. Step 4: Simplify right side
    76,942.98x = 4,560,981,383.06
  5. Step 5: Solve for x
    x = 4,560,981,383.06/76,942.98
  6. Step 6: Final answer
    x = 59,277.42

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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.