Home / 72,252.99-99,694.89-40,415.73

Finding the Fourth Proportional to 72,252.99, 99,694.89 and 40,415.73

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Solution

The fourth proportional to 72,252.99, 99,694.89 and 40,415.73 is: 55,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.99 : 99,694.89 = 40,415.73 : x
  2. Step 2: Convert to fraction form
    72,252.99/99,694.89 = 40,415.73/x
  3. Step 3: Cross multiply
    72,252.99x = 99,694.89 × 40,415.73
  4. Step 4: Simplify right side
    72,252.99x = 4,029,241,756.62
  5. Step 5: Solve for x
    x = 4,029,241,756.62/72,252.99
  6. Step 6: Final answer
    x = 55,765.74

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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.