Home / 103,619.64-155,429.43-41,333.88

Finding the Fourth Proportional to 103,619.64, 155,429.43 and 41,333.88

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Solution

The fourth proportional to 103,619.64, 155,429.43 and 41,333.88 is: 62,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.64 : 155,429.43 = 41,333.88 : x
  2. Step 2: Convert to fraction form
    103,619.64/155,429.43 = 41,333.88/x
  3. Step 3: Cross multiply
    103,619.64x = 155,429.43 × 41,333.88
  4. Step 4: Simplify right side
    103,619.64x = 6,424,501,408.09
  5. Step 5: Solve for x
    x = 6,424,501,408.09/103,619.64
  6. Step 6: Final answer
    x = 62,000.81

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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.