Home / 51,872.45-77,683.94-29,618.38

Finding the Fourth Proportional to 51,872.45, 77,683.94 and 29,618.38

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Solution

The fourth proportional to 51,872.45, 77,683.94 and 29,618.38 is: 44,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.45 : 77,683.94 = 29,618.38 : x
  2. Step 2: Convert to fraction form
    51,872.45/77,683.94 = 29,618.38/x
  3. Step 3: Cross multiply
    51,872.45x = 77,683.94 × 29,618.38
  4. Step 4: Simplify right side
    51,872.45x = 2,300,872,112.52
  5. Step 5: Solve for x
    x = 2,300,872,112.52/51,872.45
  6. Step 6: Final answer
    x = 44,356.34

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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.