Home / 74,537.16-111,727.96-30,194.52

Finding the Fourth Proportional to 74,537.16, 111,727.96 and 30,194.52

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Solution

The fourth proportional to 74,537.16, 111,727.96 and 30,194.52 is: 45,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,537.16 : 111,727.96 = 30,194.52 : x
  2. Step 2: Convert to fraction form
    74,537.16/111,727.96 = 30,194.52/x
  3. Step 3: Cross multiply
    74,537.16x = 111,727.96 × 30,194.52
  4. Step 4: Simplify right side
    74,537.16x = 3,373,572,122.78
  5. Step 5: Solve for x
    x = 3,373,572,122.78/74,537.16
  6. Step 6: Final answer
    x = 45,260.27

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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.