Home / 105,922.09-158,861.58-31,022.11

Finding the Fourth Proportional to 105,922.09, 158,861.58 and 31,022.11

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Solution

The fourth proportional to 105,922.09, 158,861.58 and 31,022.11 is: 46,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,922.09 : 158,861.58 = 31,022.11 : x
  2. Step 2: Convert to fraction form
    105,922.09/158,861.58 = 31,022.11/x
  3. Step 3: Cross multiply
    105,922.09x = 158,861.58 × 31,022.11
  4. Step 4: Simplify right side
    105,922.09x = 4,928,221,409.53
  5. Step 5: Solve for x
    x = 4,928,221,409.53/105,922.09
  6. Step 6: Final answer
    x = 46,526.85

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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.