Home / 123,945.04-185,929.85-39,684.03

Finding the Fourth Proportional to 123,945.04, 185,929.85 and 39,684.03

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Solution

The fourth proportional to 123,945.04, 185,929.85 and 39,684.03 is: 59,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,945.04 : 185,929.85 = 39,684.03 : x
  2. Step 2: Convert to fraction form
    123,945.04/185,929.85 = 39,684.03/x
  3. Step 3: Cross multiply
    123,945.04x = 185,929.85 × 39,684.03
  4. Step 4: Simplify right side
    123,945.04x = 7,378,445,745.30
  5. Step 5: Solve for x
    x = 7,378,445,745.30/123,945.04
  6. Step 6: Final answer
    x = 59,529.98

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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.