Home / 71,427.35-98,563.11-39,593.54

Finding the Fourth Proportional to 71,427.35, 98,563.11 and 39,593.54

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Solution

The fourth proportional to 71,427.35, 98,563.11 and 39,593.54 is: 54,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.35 : 98,563.11 = 39,593.54 : x
  2. Step 2: Convert to fraction form
    71,427.35/98,563.11 = 39,593.54/x
  3. Step 3: Cross multiply
    71,427.35x = 98,563.11 × 39,593.54
  4. Step 4: Simplify right side
    71,427.35x = 3,902,462,438.31
  5. Step 5: Solve for x
    x = 3,902,462,438.31/71,427.35
  6. Step 6: Final answer
    x = 54,635.41

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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.