Home / 106,022.17-158,914.74-45,981.33

Finding the Fourth Proportional to 106,022.17, 158,914.74 and 45,981.33

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Solution

The fourth proportional to 106,022.17, 158,914.74 and 45,981.33 is: 68,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,022.17 : 158,914.74 = 45,981.33 : x
  2. Step 2: Convert to fraction form
    106,022.17/158,914.74 = 45,981.33/x
  3. Step 3: Cross multiply
    106,022.17x = 158,914.74 × 45,981.33
  4. Step 4: Simplify right side
    106,022.17x = 7,307,111,101.80
  5. Step 5: Solve for x
    x = 7,307,111,101.80/106,022.17
  6. Step 6: Final answer
    x = 68,920.60

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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.