Home / 85,299.57-117,735.03-49,485.06

Finding the Fourth Proportional to 85,299.57, 117,735.03 and 49,485.06

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Solution

The fourth proportional to 85,299.57, 117,735.03 and 49,485.06 is: 68,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.57 : 117,735.03 = 49,485.06 : x
  2. Step 2: Convert to fraction form
    85,299.57/117,735.03 = 49,485.06/x
  3. Step 3: Cross multiply
    85,299.57x = 117,735.03 × 49,485.06
  4. Step 4: Simplify right side
    85,299.57x = 5,826,125,023.65
  5. Step 5: Solve for x
    x = 5,826,125,023.65/85,299.57
  6. Step 6: Final answer
    x = 68,301.93

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1.5x scale

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.