Home / 50,689.32-69,958.26-31,851.96

Finding the Fourth Proportional to 50,689.32, 69,958.26 and 31,851.96

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Solution

The fourth proportional to 50,689.32, 69,958.26 and 31,851.96 is: 43,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.32 : 69,958.26 = 31,851.96 : x
  2. Step 2: Convert to fraction form
    50,689.32/69,958.26 = 31,851.96/x
  3. Step 3: Cross multiply
    50,689.32x = 69,958.26 × 31,851.96
  4. Step 4: Simplify right side
    50,689.32x = 2,228,307,699.19
  5. Step 5: Solve for x
    x = 2,228,307,699.19/50,689.32
  6. Step 6: Final answer
    x = 43,960.10

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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.