Home / 51,442.08-77,142-16,372.32

Finding the Fourth Proportional to 51,442.08, 77,142 and 16,372.32

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Solution

The fourth proportional to 51,442.08, 77,142 and 16,372.32 is: 24,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.08 : 77,142 = 16,372.32 : x
  2. Step 2: Convert to fraction form
    51,442.08/77,142 = 16,372.32/x
  3. Step 3: Cross multiply
    51,442.08x = 77,142 × 16,372.32
  4. Step 4: Simplify right side
    51,442.08x = 1,262,993,509.44
  5. Step 5: Solve for x
    x = 1,262,993,509.44/51,442.08
  6. Step 6: Final answer
    x = 24,551.76

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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.