Home / 49,709.20-74,563.80-16,877.20

Finding the Fourth Proportional to 49,709.20, 74,563.80 and 16,877.20

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Solution

The fourth proportional to 49,709.20, 74,563.80 and 16,877.20 is: 25,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.20 : 74,563.80 = 16,877.20 : x
  2. Step 2: Convert to fraction form
    49,709.20/74,563.80 = 16,877.20/x
  3. Step 3: Cross multiply
    49,709.20x = 74,563.80 × 16,877.20
  4. Step 4: Simplify right side
    49,709.20x = 1,258,428,165.36
  5. Step 5: Solve for x
    x = 1,258,428,165.36/49,709.20
  6. Step 6: Final answer
    x = 25,315.80

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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.