Home / 106,113.77-159,115.87-31,224.18

Finding the Fourth Proportional to 106,113.77, 159,115.87 and 31,224.18

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Solution

The fourth proportional to 106,113.77, 159,115.87 and 31,224.18 is: 46,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,113.77 : 159,115.87 = 31,224.18 : x
  2. Step 2: Convert to fraction form
    106,113.77/159,115.87 = 31,224.18/x
  3. Step 3: Cross multiply
    106,113.77x = 159,115.87 × 31,224.18
  4. Step 4: Simplify right side
    106,113.77x = 4,968,262,487.68
  5. Step 5: Solve for x
    x = 4,968,262,487.68/106,113.77
  6. Step 6: Final answer
    x = 46,820.15

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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.