Home / 97,121.07-145,588.14-49,758.54

Finding the Fourth Proportional to 97,121.07, 145,588.14 and 49,758.54

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Solution

The fourth proportional to 97,121.07, 145,588.14 and 49,758.54 is: 74,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,121.07 : 145,588.14 = 49,758.54 : x
  2. Step 2: Convert to fraction form
    97,121.07/145,588.14 = 49,758.54/x
  3. Step 3: Cross multiply
    97,121.07x = 145,588.14 × 49,758.54
  4. Step 4: Simplify right side
    97,121.07x = 7,244,253,287.72
  5. Step 5: Solve for x
    x = 7,244,253,287.72/97,121.07
  6. Step 6: Final answer
    x = 74,589.92

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1.5x scale

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.