Home / 103,467.56-142,788.99-58,146.44

Finding the Fourth Proportional to 103,467.56, 142,788.99 and 58,146.44

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Solution

The fourth proportional to 103,467.56, 142,788.99 and 58,146.44 is: 80,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,467.56 : 142,788.99 = 58,146.44 : x
  2. Step 2: Convert to fraction form
    103,467.56/142,788.99 = 58,146.44/x
  3. Step 3: Cross multiply
    103,467.56x = 142,788.99 × 58,146.44
  4. Step 4: Simplify right side
    103,467.56x = 8,302,670,435.02
  5. Step 5: Solve for x
    x = 8,302,670,435.02/103,467.56
  6. Step 6: Final answer
    x = 80,244.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.