Home / 89,550.08-123,575.21-49,261.29

Finding the Fourth Proportional to 89,550.08, 123,575.21 and 49,261.29

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Solution

The fourth proportional to 89,550.08, 123,575.21 and 49,261.29 is: 67,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,550.08 : 123,575.21 = 49,261.29 : x
  2. Step 2: Convert to fraction form
    89,550.08/123,575.21 = 49,261.29/x
  3. Step 3: Cross multiply
    89,550.08x = 123,575.21 × 49,261.29
  4. Step 4: Simplify right side
    89,550.08x = 6,087,474,070.84
  5. Step 5: Solve for x
    x = 6,087,474,070.84/89,550.08
  6. Step 6: Final answer
    x = 67,978.43

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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.