Home / 68,729.31-94,844.89-40,047.19

Finding the Fourth Proportional to 68,729.31, 94,844.89 and 40,047.19

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Solution

The fourth proportional to 68,729.31, 94,844.89 and 40,047.19 is: 55,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,729.31 : 94,844.89 = 40,047.19 : x
  2. Step 2: Convert to fraction form
    68,729.31/94,844.89 = 40,047.19/x
  3. Step 3: Cross multiply
    68,729.31x = 94,844.89 × 40,047.19
  4. Step 4: Simplify right side
    68,729.31x = 3,798,271,255.94
  5. Step 5: Solve for x
    x = 3,798,271,255.94/68,729.31
  6. Step 6: Final answer
    x = 55,264.21

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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.