Home / 66,469.57-91,725.75-39,598.16

Finding the Fourth Proportional to 66,469.57, 91,725.75 and 39,598.16

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Solution

The fourth proportional to 66,469.57, 91,725.75 and 39,598.16 is: 54,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,469.57 : 91,725.75 = 39,598.16 : x
  2. Step 2: Convert to fraction form
    66,469.57/91,725.75 = 39,598.16/x
  3. Step 3: Cross multiply
    66,469.57x = 91,725.75 × 39,598.16
  4. Step 4: Simplify right side
    66,469.57x = 3,632,170,465.99
  5. Step 5: Solve for x
    x = 3,632,170,465.99/66,469.57
  6. Step 6: Final answer
    x = 54,644.11

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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.