Home / 97,122.07-145,589.64-49,759.54

Finding the Fourth Proportional to 97,122.07, 145,589.64 and 49,759.54

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Solution

The fourth proportional to 97,122.07, 145,589.64 and 49,759.54 is: 74,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,122.07 : 145,589.64 = 49,759.54 : x
  2. Step 2: Convert to fraction form
    97,122.07/145,589.64 = 49,759.54/x
  3. Step 3: Cross multiply
    97,122.07x = 145,589.64 × 49,759.54
  4. Step 4: Simplify right side
    97,122.07x = 7,244,473,515.17
  5. Step 5: Solve for x
    x = 7,244,473,515.17/97,122.07
  6. Step 6: Final answer
    x = 74,591.42

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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.