Home / 106,052.07-159,078.15-31,172.22

Finding the Fourth Proportional to 106,052.07, 159,078.15 and 31,172.22

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Solution

The fourth proportional to 106,052.07, 159,078.15 and 31,172.22 is: 46,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,052.07 : 159,078.15 = 31,172.22 : x
  2. Step 2: Convert to fraction form
    106,052.07/159,078.15 = 31,172.22/x
  3. Step 3: Cross multiply
    106,052.07x = 159,078.15 × 31,172.22
  4. Step 4: Simplify right side
    106,052.07x = 4,958,819,088.99
  5. Step 5: Solve for x
    x = 4,958,819,088.99/106,052.07
  6. Step 6: Final answer
    x = 46,758.34

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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.