Home / 105,961.46-158,942.33-27,075.76

Finding the Fourth Proportional to 105,961.46, 158,942.33 and 27,075.76

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Solution

The fourth proportional to 105,961.46, 158,942.33 and 27,075.76 is: 40,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.46 : 158,942.33 = 27,075.76 : x
  2. Step 2: Convert to fraction form
    105,961.46/158,942.33 = 27,075.76/x
  3. Step 3: Cross multiply
    105,961.46x = 158,942.33 × 27,075.76
  4. Step 4: Simplify right side
    105,961.46x = 4,303,484,642.90
  5. Step 5: Solve for x
    x = 4,303,484,642.90/105,961.46
  6. Step 6: Final answer
    x = 40,613.68

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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.