Home / 49,423.30-74,139.50-16,143.54

Finding the Fourth Proportional to 49,423.30, 74,139.50 and 16,143.54

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Solution

The fourth proportional to 49,423.30, 74,139.50 and 16,143.54 is: 24,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.30 : 74,139.50 = 16,143.54 : x
  2. Step 2: Convert to fraction form
    49,423.30/74,139.50 = 16,143.54/x
  3. Step 3: Cross multiply
    49,423.30x = 74,139.50 × 16,143.54
  4. Step 4: Simplify right side
    49,423.30x = 1,196,873,983.83
  5. Step 5: Solve for x
    x = 1,196,873,983.83/49,423.30
  6. Step 6: Final answer
    x = 24,216.80

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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.