Home / 89,710.66-123,794.26-49,422.07

Finding the Fourth Proportional to 89,710.66, 123,794.26 and 49,422.07

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Solution

The fourth proportional to 89,710.66, 123,794.26 and 49,422.07 is: 68,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.66 : 123,794.26 = 49,422.07 : x
  2. Step 2: Convert to fraction form
    89,710.66/123,794.26 = 49,422.07/x
  3. Step 3: Cross multiply
    89,710.66x = 123,794.26 × 49,422.07
  4. Step 4: Simplify right side
    89,710.66x = 6,118,168,583.32
  5. Step 5: Solve for x
    x = 6,118,168,583.32/89,710.66
  6. Step 6: Final answer
    x = 68,198.90

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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.