Home / 68,571.11-94,590.02-39,887.54

Finding the Fourth Proportional to 68,571.11, 94,590.02 and 39,887.54

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Solution

The fourth proportional to 68,571.11, 94,590.02 and 39,887.54 is: 55,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,571.11 : 94,590.02 = 39,887.54 : x
  2. Step 2: Convert to fraction form
    68,571.11/94,590.02 = 39,887.54/x
  3. Step 3: Cross multiply
    68,571.11x = 94,590.02 × 39,887.54
  4. Step 4: Simplify right side
    68,571.11x = 3,772,963,113.04
  5. Step 5: Solve for x
    x = 3,772,963,113.04/68,571.11
  6. Step 6: Final answer
    x = 55,022.64

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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.