Home / 106,124.07-159,131.31-31,234.49

Finding the Fourth Proportional to 106,124.07, 159,131.31 and 31,234.49

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Solution

The fourth proportional to 106,124.07, 159,131.31 and 31,234.49 is: 46,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,124.07 : 159,131.31 = 31,234.49 : x
  2. Step 2: Convert to fraction form
    106,124.07/159,131.31 = 31,234.49/x
  3. Step 3: Cross multiply
    106,124.07x = 159,131.31 × 31,234.49
  4. Step 4: Simplify right side
    106,124.07x = 4,970,384,515.23
  5. Step 5: Solve for x
    x = 4,970,384,515.23/106,124.07
  6. Step 6: Final answer
    x = 46,835.60

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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.