Home / 75,996.36-113,994.34-71,372.19

Finding the Fourth Proportional to 75,996.36, 113,994.34 and 71,372.19

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Solution

The fourth proportional to 75,996.36, 113,994.34 and 71,372.19 is: 107,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,996.36 : 113,994.34 = 71,372.19 : x
  2. Step 2: Convert to fraction form
    75,996.36/113,994.34 = 71,372.19/x
  3. Step 3: Cross multiply
    75,996.36x = 113,994.34 × 71,372.19
  4. Step 4: Simplify right side
    75,996.36x = 8,136,025,693.40
  5. Step 5: Solve for x
    x = 8,136,025,693.40/75,996.36
  6. Step 6: Final answer
    x = 107,058.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.