Home / 85,041.66-117,342.36-49,229.94

Finding the Fourth Proportional to 85,041.66, 117,342.36 and 49,229.94

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Solution

The fourth proportional to 85,041.66, 117,342.36 and 49,229.94 is: 67,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.66 : 117,342.36 = 49,229.94 : x
  2. Step 2: Convert to fraction form
    85,041.66/117,342.36 = 49,229.94/x
  3. Step 3: Cross multiply
    85,041.66x = 117,342.36 × 49,229.94
  4. Step 4: Simplify right side
    85,041.66x = 5,776,757,342.26
  5. Step 5: Solve for x
    x = 5,776,757,342.26/85,041.66
  6. Step 6: Final answer
    x = 67,928.56

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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.