Home / 49,748.72-74,623-34,118.96

Finding the Fourth Proportional to 49,748.72, 74,623 and 34,118.96

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Solution

The fourth proportional to 49,748.72, 74,623 and 34,118.96 is: 51,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.72 : 74,623 = 34,118.96 : x
  2. Step 2: Convert to fraction form
    49,748.72/74,623 = 34,118.96/x
  3. Step 3: Cross multiply
    49,748.72x = 74,623 × 34,118.96
  4. Step 4: Simplify right side
    49,748.72x = 2,546,059,152.08
  5. Step 5: Solve for x
    x = 2,546,059,152.08/49,748.72
  6. Step 6: Final answer
    x = 51,178.39

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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.