Home / 75,725.78-104,501.57-41,734.26

Finding the Fourth Proportional to 75,725.78, 104,501.57 and 41,734.26

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Solution

The fourth proportional to 75,725.78, 104,501.57 and 41,734.26 is: 57,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.78 : 104,501.57 = 41,734.26 : x
  2. Step 2: Convert to fraction form
    75,725.78/104,501.57 = 41,734.26/x
  3. Step 3: Cross multiply
    75,725.78x = 104,501.57 × 41,734.26
  4. Step 4: Simplify right side
    75,725.78x = 4,361,295,484.12
  5. Step 5: Solve for x
    x = 4,361,295,484.12/75,725.78
  6. Step 6: Final answer
    x = 57,593.28

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1.5x scale

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.