Home / 74,624-111,935.92-51,179.36

Finding the Fourth Proportional to 74,624, 111,935.92 and 51,179.36

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Solution

The fourth proportional to 74,624, 111,935.92 and 51,179.36 is: 76,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,624 : 111,935.92 = 51,179.36 : x
  2. Step 2: Convert to fraction form
    74,624/111,935.92 = 51,179.36/x
  3. Step 3: Cross multiply
    74,624x = 111,935.92 × 51,179.36
  4. Step 4: Simplify right side
    74,624x = 5,728,808,746.61
  5. Step 5: Solve for x
    x = 5,728,808,746.61/74,624
  6. Step 6: Final answer
    x = 76,768.99

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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.