Home / 85,097.84-127,646.37-40,589.66

Finding the Fourth Proportional to 85,097.84, 127,646.37 and 40,589.66

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Solution

The fourth proportional to 85,097.84, 127,646.37 and 40,589.66 is: 60,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.84 : 127,646.37 = 40,589.66 : x
  2. Step 2: Convert to fraction form
    85,097.84/127,646.37 = 40,589.66/x
  3. Step 3: Cross multiply
    85,097.84x = 127,646.37 × 40,589.66
  4. Step 4: Simplify right side
    85,097.84x = 5,181,122,473.80
  5. Step 5: Solve for x
    x = 5,181,122,473.80/85,097.84
  6. Step 6: Final answer
    x = 60,884.30

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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.