Home / 123,048.20-184,572.30-39,942.20

Finding the Fourth Proportional to 123,048.20, 184,572.30 and 39,942.20

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Solution

The fourth proportional to 123,048.20, 184,572.30 and 39,942.20 is: 59,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048.20 : 184,572.30 = 39,942.20 : x
  2. Step 2: Convert to fraction form
    123,048.20/184,572.30 = 39,942.20/x
  3. Step 3: Cross multiply
    123,048.20x = 184,572.30 × 39,942.20
  4. Step 4: Simplify right side
    123,048.20x = 7,372,223,721.06
  5. Step 5: Solve for x
    x = 7,372,223,721.06/123,048.20
  6. Step 6: Final answer
    x = 59,913.30

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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.