Home / 51,850.78-77,756.72-22,253.38

Finding the Fourth Proportional to 51,850.78, 77,756.72 and 22,253.38

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Solution

The fourth proportional to 51,850.78, 77,756.72 and 22,253.38 is: 33,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.78 : 77,756.72 = 22,253.38 : x
  2. Step 2: Convert to fraction form
    51,850.78/77,756.72 = 22,253.38/x
  3. Step 3: Cross multiply
    51,850.78x = 77,756.72 × 22,253.38
  4. Step 4: Simplify right side
    51,850.78x = 1,730,349,837.71
  5. Step 5: Solve for x
    x = 1,730,349,837.71/51,850.78
  6. Step 6: Final answer
    x = 33,371.72

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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.