Home / 85,629.71-118,192.76-49,826.66

Finding the Fourth Proportional to 85,629.71, 118,192.76 and 49,826.66

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Solution

The fourth proportional to 85,629.71, 118,192.76 and 49,826.66 is: 68,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,629.71 : 118,192.76 = 49,826.66 : x
  2. Step 2: Convert to fraction form
    85,629.71/118,192.76 = 49,826.66/x
  3. Step 3: Cross multiply
    85,629.71x = 118,192.76 × 49,826.66
  4. Step 4: Simplify right side
    85,629.71x = 5,889,150,466.98
  5. Step 5: Solve for x
    x = 5,889,150,466.98/85,629.71
  6. Step 6: Final answer
    x = 68,774.62

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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.