Home / 106,455.95-146,911.32-68,795.81

Finding the Fourth Proportional to 106,455.95, 146,911.32 and 68,795.81

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Solution

The fourth proportional to 106,455.95, 146,911.32 and 68,795.81 is: 94,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.95 : 146,911.32 = 68,795.81 : x
  2. Step 2: Convert to fraction form
    106,455.95/146,911.32 = 68,795.81/x
  3. Step 3: Cross multiply
    106,455.95x = 146,911.32 × 68,795.81
  4. Step 4: Simplify right side
    106,455.95x = 10,106,882,523.01
  5. Step 5: Solve for x
    x = 10,106,882,523.01/106,455.95
  6. Step 6: Final answer
    x = 94,939.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.