Home / 85,837.14-128,791.14-46,347.75

Finding the Fourth Proportional to 85,837.14, 128,791.14 and 46,347.75

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Solution

The fourth proportional to 85,837.14, 128,791.14 and 46,347.75 is: 69,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,837.14 : 128,791.14 = 46,347.75 : x
  2. Step 2: Convert to fraction form
    85,837.14/128,791.14 = 46,347.75/x
  3. Step 3: Cross multiply
    85,837.14x = 128,791.14 × 46,347.75
  4. Step 4: Simplify right side
    85,837.14x = 5,969,179,558.94
  5. Step 5: Solve for x
    x = 5,969,179,558.94/85,837.14
  6. Step 6: Final answer
    x = 69,540.76

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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.