Home / 103,462.20-155,171.70-44,299.80

Finding the Fourth Proportional to 103,462.20, 155,171.70 and 44,299.80

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Solution

The fourth proportional to 103,462.20, 155,171.70 and 44,299.80 is: 66,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.20 : 155,171.70 = 44,299.80 : x
  2. Step 2: Convert to fraction form
    103,462.20/155,171.70 = 44,299.80/x
  3. Step 3: Cross multiply
    103,462.20x = 155,171.70 × 44,299.80
  4. Step 4: Simplify right side
    103,462.20x = 6,874,075,275.66
  5. Step 5: Solve for x
    x = 6,874,075,275.66/103,462.20
  6. Step 6: Final answer
    x = 66,440.45

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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.