Home / 106,125.07-159,132.81-31,235.49

Finding the Fourth Proportional to 106,125.07, 159,132.81 and 31,235.49

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Solution

The fourth proportional to 106,125.07, 159,132.81 and 31,235.49 is: 46,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,125.07 : 159,132.81 = 31,235.49 : x
  2. Step 2: Convert to fraction form
    106,125.07/159,132.81 = 31,235.49/x
  3. Step 3: Cross multiply
    106,125.07x = 159,132.81 × 31,235.49
  4. Step 4: Simplify right side
    106,125.07x = 4,970,591,295.43
  5. Step 5: Solve for x
    x = 4,970,591,295.43/106,125.07
  6. Step 6: Final answer
    x = 46,837.11

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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.