Home / 103,698.10-155,546.09-47,522.27

Finding the Fourth Proportional to 103,698.10, 155,546.09 and 47,522.27

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Solution

The fourth proportional to 103,698.10, 155,546.09 and 47,522.27 is: 71,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.10 : 155,546.09 = 47,522.27 : x
  2. Step 2: Convert to fraction form
    103,698.10/155,546.09 = 47,522.27/x
  3. Step 3: Cross multiply
    103,698.10x = 155,546.09 × 47,522.27
  4. Step 4: Simplify right side
    103,698.10x = 7,391,903,286.42
  5. Step 5: Solve for x
    x = 7,391,903,286.42/103,698.10
  6. Step 6: Final answer
    x = 71,282.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.