Home / 50,076.68-75,110.13-13,140.68

Finding the Fourth Proportional to 50,076.68, 75,110.13 and 13,140.68

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Solution

The fourth proportional to 50,076.68, 75,110.13 and 13,140.68 is: 19,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,076.68 : 75,110.13 = 13,140.68 : x
  2. Step 2: Convert to fraction form
    50,076.68/75,110.13 = 13,140.68/x
  3. Step 3: Cross multiply
    50,076.68x = 75,110.13 × 13,140.68
  4. Step 4: Simplify right side
    50,076.68x = 986,997,807.54
  5. Step 5: Solve for x
    x = 986,997,807.54/50,076.68
  6. Step 6: Final answer
    x = 19,709.73

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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.