Home / 85,471.37-117,926.48-49,170.92

Finding the Fourth Proportional to 85,471.37, 117,926.48 and 49,170.92

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Solution

The fourth proportional to 85,471.37, 117,926.48 and 49,170.92 is: 67,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,471.37 : 117,926.48 = 49,170.92 : x
  2. Step 2: Convert to fraction form
    85,471.37/117,926.48 = 49,170.92/x
  3. Step 3: Cross multiply
    85,471.37x = 117,926.48 × 49,170.92
  4. Step 4: Simplify right side
    85,471.37x = 5,798,553,268.11
  5. Step 5: Solve for x
    x = 5,798,553,268.11/85,471.37
  6. Step 6: Final answer
    x = 67,842.05

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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.