Home / 49,420.50-74,138-15,675.27

Finding the Fourth Proportional to 49,420.50, 74,138 and 15,675.27

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Solution

The fourth proportional to 49,420.50, 74,138 and 15,675.27 is: 23,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.50 : 74,138 = 15,675.27 : x
  2. Step 2: Convert to fraction form
    49,420.50/74,138 = 15,675.27/x
  3. Step 3: Cross multiply
    49,420.50x = 74,138 × 15,675.27
  4. Step 4: Simplify right side
    49,420.50x = 1,162,133,167.26
  5. Step 5: Solve for x
    x = 1,162,133,167.26/49,420.50
  6. Step 6: Final answer
    x = 23,515.20

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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.