Home / 100,052.03-149,945.73-52,570.10

Finding the Fourth Proportional to 100,052.03, 149,945.73 and 52,570.10

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Solution

The fourth proportional to 100,052.03, 149,945.73 and 52,570.10 is: 78,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,052.03 : 149,945.73 = 52,570.10 : x
  2. Step 2: Convert to fraction form
    100,052.03/149,945.73 = 52,570.10/x
  3. Step 3: Cross multiply
    100,052.03x = 149,945.73 × 52,570.10
  4. Step 4: Simplify right side
    100,052.03x = 7,882,661,270.94
  5. Step 5: Solve for x
    x = 7,882,661,270.94/100,052.03
  6. Step 6: Final answer
    x = 78,785.62

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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.