Home / 51,748.78-77,623.68-28,362.46

Finding the Fourth Proportional to 51,748.78, 77,623.68 and 28,362.46

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Solution

The fourth proportional to 51,748.78, 77,623.68 and 28,362.46 is: 42,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748.78 : 77,623.68 = 28,362.46 : x
  2. Step 2: Convert to fraction form
    51,748.78/77,623.68 = 28,362.46/x
  3. Step 3: Cross multiply
    51,748.78x = 77,623.68 × 28,362.46
  4. Step 4: Simplify right side
    51,748.78x = 2,201,598,519.05
  5. Step 5: Solve for x
    x = 2,201,598,519.05/51,748.78
  6. Step 6: Final answer
    x = 42,543.97

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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.