Home / 50,428.36-75,431.85-35,434.43

Finding the Fourth Proportional to 50,428.36, 75,431.85 and 35,434.43

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Solution

The fourth proportional to 50,428.36, 75,431.85 and 35,434.43 is: 53,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.36 : 75,431.85 = 35,434.43 : x
  2. Step 2: Convert to fraction form
    50,428.36/75,431.85 = 35,434.43/x
  3. Step 3: Cross multiply
    50,428.36x = 75,431.85 × 35,434.43
  4. Step 4: Simplify right side
    50,428.36x = 2,672,884,381.43
  5. Step 5: Solve for x
    x = 2,672,884,381.43/50,428.36
  6. Step 6: Final answer
    x = 53,003.59

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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.