Home / 89,493.75-123,498.21-49,207.23

Finding the Fourth Proportional to 89,493.75, 123,498.21 and 49,207.23

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Solution

The fourth proportional to 89,493.75, 123,498.21 and 49,207.23 is: 67,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,493.75 : 123,498.21 = 49,207.23 : x
  2. Step 2: Convert to fraction form
    89,493.75/123,498.21 = 49,207.23/x
  3. Step 3: Cross multiply
    89,493.75x = 123,498.21 × 49,207.23
  4. Step 4: Simplify right side
    89,493.75x = 6,077,004,824.06
  5. Step 5: Solve for x
    x = 6,077,004,824.06/89,493.75
  6. Step 6: Final answer
    x = 67,904.24

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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.