Home / 71,453.88-98,607.96-39,189.24

Finding the Fourth Proportional to 71,453.88, 98,607.96 and 39,189.24

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Solution

The fourth proportional to 71,453.88, 98,607.96 and 39,189.24 is: 54,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.88 : 98,607.96 = 39,189.24 : x
  2. Step 2: Convert to fraction form
    71,453.88/98,607.96 = 39,189.24/x
  3. Step 3: Cross multiply
    71,453.88x = 98,607.96 × 39,189.24
  4. Step 4: Simplify right side
    71,453.88x = 3,864,371,010.35
  5. Step 5: Solve for x
    x = 3,864,371,010.35/71,453.88
  6. Step 6: Final answer
    x = 54,082.03

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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.