Home / 64,813.24-89,389.38-54,424.90

Finding the Fourth Proportional to 64,813.24, 89,389.38 and 54,424.90

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Solution

The fourth proportional to 64,813.24, 89,389.38 and 54,424.90 is: 75,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.24 : 89,389.38 = 54,424.90 : x
  2. Step 2: Convert to fraction form
    64,813.24/89,389.38 = 54,424.90/x
  3. Step 3: Cross multiply
    64,813.24x = 89,389.38 × 54,424.90
  4. Step 4: Simplify right side
    64,813.24x = 4,865,008,067.56
  5. Step 5: Solve for x
    x = 4,865,008,067.56/64,813.24
  6. Step 6: Final answer
    x = 75,061.95

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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.