Home / 49,524.80-74,186.40-30,747.20

Finding the Fourth Proportional to 49,524.80, 74,186.40 and 30,747.20

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Solution

The fourth proportional to 49,524.80, 74,186.40 and 30,747.20 is: 46,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,524.80 : 74,186.40 = 30,747.20 : x
  2. Step 2: Convert to fraction form
    49,524.80/74,186.40 = 30,747.20/x
  3. Step 3: Cross multiply
    49,524.80x = 74,186.40 × 30,747.20
  4. Step 4: Simplify right side
    49,524.80x = 2,281,024,078.08
  5. Step 5: Solve for x
    x = 2,281,024,078.08/49,524.80
  6. Step 6: Final answer
    x = 46,058.22

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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.