Home / 103,563.35-142,916.06-58,241.31

Finding the Fourth Proportional to 103,563.35, 142,916.06 and 58,241.31

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Solution

The fourth proportional to 103,563.35, 142,916.06 and 58,241.31 is: 80,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563.35 : 142,916.06 = 58,241.31 : x
  2. Step 2: Convert to fraction form
    103,563.35/142,916.06 = 58,241.31/x
  3. Step 3: Cross multiply
    103,563.35x = 142,916.06 × 58,241.31
  4. Step 4: Simplify right side
    103,563.35x = 8,323,618,554.44
  5. Step 5: Solve for x
    x = 8,323,618,554.44/103,563.35
  6. Step 6: Final answer
    x = 80,372.24

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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.