Home / 103,745.21-155,631.38-37,192.77

Finding the Fourth Proportional to 103,745.21, 155,631.38 and 37,192.77

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Solution

The fourth proportional to 103,745.21, 155,631.38 and 37,192.77 is: 55,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,745.21 : 155,631.38 = 37,192.77 : x
  2. Step 2: Convert to fraction form
    103,745.21/155,631.38 = 37,192.77/x
  3. Step 3: Cross multiply
    103,745.21x = 155,631.38 × 37,192.77
  4. Step 4: Simplify right side
    103,745.21x = 5,788,361,935.16
  5. Step 5: Solve for x
    x = 5,788,361,935.16/103,745.21
  6. Step 6: Final answer
    x = 55,794.02

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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.