Home / 51,974.94-77,962.38-12,532.04

Finding the Fourth Proportional to 51,974.94, 77,962.38 and 12,532.04

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Solution

The fourth proportional to 51,974.94, 77,962.38 and 12,532.04 is: 18,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.94 : 77,962.38 = 12,532.04 : x
  2. Step 2: Convert to fraction form
    51,974.94/77,962.38 = 12,532.04/x
  3. Step 3: Cross multiply
    51,974.94x = 77,962.38 × 12,532.04
  4. Step 4: Simplify right side
    51,974.94x = 977,027,520.21
  5. Step 5: Solve for x
    x = 977,027,520.21/51,974.94
  6. Step 6: Final answer
    x = 18,798.05

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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.