Home / 89,751.07-123,851.43-49,464.71

Finding the Fourth Proportional to 89,751.07, 123,851.43 and 49,464.71

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Solution

The fourth proportional to 89,751.07, 123,851.43 and 49,464.71 is: 68,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751.07 : 123,851.43 = 49,464.71 : x
  2. Step 2: Convert to fraction form
    89,751.07/123,851.43 = 49,464.71/x
  3. Step 3: Cross multiply
    89,751.07x = 123,851.43 × 49,464.71
  4. Step 4: Simplify right side
    89,751.07x = 6,126,274,913.22
  5. Step 5: Solve for x
    x = 6,126,274,913.22/89,751.07
  6. Step 6: Final answer
    x = 68,258.52

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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.