Home / 53,057.21-73,220.87-29,185.70

Finding the Fourth Proportional to 53,057.21, 73,220.87 and 29,185.70

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Solution

The fourth proportional to 53,057.21, 73,220.87 and 29,185.70 is: 40,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.21 : 73,220.87 = 29,185.70 : x
  2. Step 2: Convert to fraction form
    53,057.21/73,220.87 = 29,185.70/x
  3. Step 3: Cross multiply
    53,057.21x = 73,220.87 × 29,185.70
  4. Step 4: Simplify right side
    53,057.21x = 2,137,002,052.42
  5. Step 5: Solve for x
    x = 2,137,002,052.42/53,057.21
  6. Step 6: Final answer
    x = 40,277.32

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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.