Home / 50,105.16-75,111.24-18,497.76

Finding the Fourth Proportional to 50,105.16, 75,111.24 and 18,497.76

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Solution

The fourth proportional to 50,105.16, 75,111.24 and 18,497.76 is: 27,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,105.16 : 75,111.24 = 18,497.76 : x
  2. Step 2: Convert to fraction form
    50,105.16/75,111.24 = 18,497.76/x
  3. Step 3: Cross multiply
    50,105.16x = 75,111.24 × 18,497.76
  4. Step 4: Simplify right side
    50,105.16x = 1,389,389,690.82
  5. Step 5: Solve for x
    x = 1,389,389,690.82/50,105.16
  6. Step 6: Final answer
    x = 27,729.47

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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.