Home / 49,999-74,961.48-30,272.92

Finding the Fourth Proportional to 49,999, 74,961.48 and 30,272.92

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Solution

The fourth proportional to 49,999, 74,961.48 and 30,272.92 is: 45,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,999 : 74,961.48 = 30,272.92 : x
  2. Step 2: Convert to fraction form
    49,999/74,961.48 = 30,272.92/x
  3. Step 3: Cross multiply
    49,999x = 74,961.48 × 30,272.92
  4. Step 4: Simplify right side
    49,999x = 2,269,302,887.12
  5. Step 5: Solve for x
    x = 2,269,302,887.12/49,999
  6. Step 6: Final answer
    x = 45,386.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.