Home / 103,821.70-155,674.95-44,647.30

Finding the Fourth Proportional to 103,821.70, 155,674.95 and 44,647.30

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Solution

The fourth proportional to 103,821.70, 155,674.95 and 44,647.30 is: 66,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,821.70 : 155,674.95 = 44,647.30 : x
  2. Step 2: Convert to fraction form
    103,821.70/155,674.95 = 44,647.30/x
  3. Step 3: Cross multiply
    103,821.70x = 155,674.95 × 44,647.30
  4. Step 4: Simplify right side
    103,821.70x = 6,950,466,195.14
  5. Step 5: Solve for x
    x = 6,950,466,195.14/103,821.70
  6. Step 6: Final answer
    x = 66,946.18

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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.