Home / 51,619.78-77,442.60-14,683.78

Finding the Fourth Proportional to 51,619.78, 77,442.60 and 14,683.78

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Solution

The fourth proportional to 51,619.78, 77,442.60 and 14,683.78 is: 22,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.78 : 77,442.60 = 14,683.78 : x
  2. Step 2: Convert to fraction form
    51,619.78/77,442.60 = 14,683.78/x
  3. Step 3: Cross multiply
    51,619.78x = 77,442.60 × 14,683.78
  4. Step 4: Simplify right side
    51,619.78x = 1,137,150,101.03
  5. Step 5: Solve for x
    x = 1,137,150,101.03/51,619.78
  6. Step 6: Final answer
    x = 22,029.35

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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.