Home / 106,416.69-159,650.09-31,537.45

Finding the Fourth Proportional to 106,416.69, 159,650.09 and 31,537.45

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Solution

The fourth proportional to 106,416.69, 159,650.09 and 31,537.45 is: 47,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,416.69 : 159,650.09 = 31,537.45 : x
  2. Step 2: Convert to fraction form
    106,416.69/159,650.09 = 31,537.45/x
  3. Step 3: Cross multiply
    106,416.69x = 159,650.09 × 31,537.45
  4. Step 4: Simplify right side
    106,416.69x = 5,034,956,891.01
  5. Step 5: Solve for x
    x = 5,034,956,891.01/106,416.69
  6. Step 6: Final answer
    x = 47,313.60

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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.