Home / 89,539.77-123,568.11-49,256.64

Finding the Fourth Proportional to 89,539.77, 123,568.11 and 49,256.64

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Solution

The fourth proportional to 89,539.77, 123,568.11 and 49,256.64 is: 67,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,539.77 : 123,568.11 = 49,256.64 : x
  2. Step 2: Convert to fraction form
    89,539.77/123,568.11 = 49,256.64/x
  3. Step 3: Cross multiply
    89,539.77x = 123,568.11 × 49,256.64
  4. Step 4: Simplify right side
    89,539.77x = 6,086,549,909.75
  5. Step 5: Solve for x
    x = 6,086,549,909.75/89,539.77
  6. Step 6: Final answer
    x = 67,975.94

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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.