Home / 89,548.50-123,573.03-49,259.71

Finding the Fourth Proportional to 89,548.50, 123,573.03 and 49,259.71

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Solution

The fourth proportional to 89,548.50, 123,573.03 and 49,259.71 is: 67,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,548.50 : 123,573.03 = 49,259.71 : x
  2. Step 2: Convert to fraction form
    89,548.50/123,573.03 = 49,259.71/x
  3. Step 3: Cross multiply
    89,548.50x = 123,573.03 × 49,259.71
  4. Step 4: Simplify right side
    89,548.50x = 6,087,171,651.88
  5. Step 5: Solve for x
    x = 6,087,171,651.88/89,548.50
  6. Step 6: Final answer
    x = 67,976.25

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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.