Home / 71,900.24-99,226.64-39,634.81

Finding the Fourth Proportional to 71,900.24, 99,226.64 and 39,634.81

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Solution

The fourth proportional to 71,900.24, 99,226.64 and 39,634.81 is: 54,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,900.24 : 99,226.64 = 39,634.81 : x
  2. Step 2: Convert to fraction form
    71,900.24/99,226.64 = 39,634.81/x
  3. Step 3: Cross multiply
    71,900.24x = 99,226.64 × 39,634.81
  4. Step 4: Simplify right side
    71,900.24x = 3,932,828,874.36
  5. Step 5: Solve for x
    x = 3,932,828,874.36/71,900.24
  6. Step 6: Final answer
    x = 54,698.41

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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.