Home / 85,345.94-117,757.23-49,529.76

Finding the Fourth Proportional to 85,345.94, 117,757.23 and 49,529.76

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Solution

The fourth proportional to 85,345.94, 117,757.23 and 49,529.76 is: 68,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,345.94 : 117,757.23 = 49,529.76 : x
  2. Step 2: Convert to fraction form
    85,345.94/117,757.23 = 49,529.76/x
  3. Step 3: Cross multiply
    85,345.94x = 117,757.23 × 49,529.76
  4. Step 4: Simplify right side
    85,345.94x = 5,832,487,340.16
  5. Step 5: Solve for x
    x = 5,832,487,340.16/85,345.94
  6. Step 6: Final answer
    x = 68,339.37

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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.