Home / 89,555.98-123,589.11-49,269.82

Finding the Fourth Proportional to 89,555.98, 123,589.11 and 49,269.82

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Solution

The fourth proportional to 89,555.98, 123,589.11 and 49,269.82 is: 67,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.98 : 123,589.11 = 49,269.82 : x
  2. Step 2: Convert to fraction form
    89,555.98/123,589.11 = 49,269.82/x
  3. Step 3: Cross multiply
    89,555.98x = 123,589.11 × 49,269.82
  4. Step 4: Simplify right side
    89,555.98x = 6,089,213,203.66
  5. Step 5: Solve for x
    x = 6,089,213,203.66/89,555.98
  6. Step 6: Final answer
    x = 67,993.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.