Home / 49,423.87-74,140.76-13,885.27

Finding the Fourth Proportional to 49,423.87, 74,140.76 and 13,885.27

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Solution

The fourth proportional to 49,423.87, 74,140.76 and 13,885.27 is: 20,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.87 : 74,140.76 = 13,885.27 : x
  2. Step 2: Convert to fraction form
    49,423.87/74,140.76 = 13,885.27/x
  3. Step 3: Cross multiply
    49,423.87x = 74,140.76 × 13,885.27
  4. Step 4: Simplify right side
    49,423.87x = 1,029,464,099.90
  5. Step 5: Solve for x
    x = 1,029,464,099.90/49,423.87
  6. Step 6: Final answer
    x = 20,829.29

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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.