Home / 46,996.45-70,409.72-31,163.78

Finding the Fourth Proportional to 46,996.45, 70,409.72 and 31,163.78

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Solution

The fourth proportional to 46,996.45, 70,409.72 and 31,163.78 is: 46,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,996.45 : 70,409.72 = 31,163.78 : x
  2. Step 2: Convert to fraction form
    46,996.45/70,409.72 = 31,163.78/x
  3. Step 3: Cross multiply
    46,996.45x = 70,409.72 × 31,163.78
  4. Step 4: Simplify right side
    46,996.45x = 2,194,233,277.88
  5. Step 5: Solve for x
    x = 2,194,233,277.88/46,996.45
  6. Step 6: Final answer
    x = 46,689.34

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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.