Home / 53,169.14-73,375.08-30,512.28

Finding the Fourth Proportional to 53,169.14, 73,375.08 and 30,512.28

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Solution

The fourth proportional to 53,169.14, 73,375.08 and 30,512.28 is: 42,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169.14 : 73,375.08 = 30,512.28 : x
  2. Step 2: Convert to fraction form
    53,169.14/73,375.08 = 30,512.28/x
  3. Step 3: Cross multiply
    53,169.14x = 73,375.08 × 30,512.28
  4. Step 4: Simplify right side
    53,169.14x = 2,238,840,985.98
  5. Step 5: Solve for x
    x = 2,238,840,985.98/53,169.14
  6. Step 6: Final answer
    x = 42,107.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.