Home / 68,698.80-94,799.97-40,399.02

Finding the Fourth Proportional to 68,698.80, 94,799.97 and 40,399.02

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Solution

The fourth proportional to 68,698.80, 94,799.97 and 40,399.02 is: 55,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,698.80 : 94,799.97 = 40,399.02 : x
  2. Step 2: Convert to fraction form
    68,698.80/94,799.97 = 40,399.02/x
  3. Step 3: Cross multiply
    68,698.80x = 94,799.97 × 40,399.02
  4. Step 4: Simplify right side
    68,698.80x = 3,829,825,884.03
  5. Step 5: Solve for x
    x = 3,829,825,884.03/68,698.80
  6. Step 6: Final answer
    x = 55,748.08

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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.