Home / 53,404.12-80,108.04-18,343.52

Finding the Fourth Proportional to 53,404.12, 80,108.04 and 18,343.52

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Solution

The fourth proportional to 53,404.12, 80,108.04 and 18,343.52 is: 27,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,404.12 : 80,108.04 = 18,343.52 : x
  2. Step 2: Convert to fraction form
    53,404.12/80,108.04 = 18,343.52/x
  3. Step 3: Cross multiply
    53,404.12x = 80,108.04 × 18,343.52
  4. Step 4: Simplify right side
    53,404.12x = 1,469,463,433.90
  5. Step 5: Solve for x
    x = 1,469,463,433.90/53,404.12
  6. Step 6: Final answer
    x = 27,515.92

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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.