Home / 89,557.88-123,589.86-49,270.77

Finding the Fourth Proportional to 89,557.88, 123,589.86 and 49,270.77

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Solution

The fourth proportional to 89,557.88, 123,589.86 and 49,270.77 is: 67,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,557.88 : 123,589.86 = 49,270.77 : x
  2. Step 2: Convert to fraction form
    89,557.88/123,589.86 = 49,270.77/x
  3. Step 3: Cross multiply
    89,557.88x = 123,589.86 × 49,270.77
  4. Step 4: Simplify right side
    89,557.88x = 6,089,367,566.39
  5. Step 5: Solve for x
    x = 6,089,367,566.39/89,557.88
  6. Step 6: Final answer
    x = 67,993.65

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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.