Home / 104,040.78-156,062.49-36,570.09

Finding the Fourth Proportional to 104,040.78, 156,062.49 and 36,570.09

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Solution

The fourth proportional to 104,040.78, 156,062.49 and 36,570.09 is: 54,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,040.78 : 156,062.49 = 36,570.09 : x
  2. Step 2: Convert to fraction form
    104,040.78/156,062.49 = 36,570.09/x
  3. Step 3: Cross multiply
    104,040.78x = 156,062.49 × 36,570.09
  4. Step 4: Simplify right side
    104,040.78x = 5,707,219,304.92
  5. Step 5: Solve for x
    x = 5,707,219,304.92/104,040.78
  6. Step 6: Final answer
    x = 54,855.60

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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.