Home / 113,720.04-170,249.67-66,190.05

Finding the Fourth Proportional to 113,720.04, 170,249.67 and 66,190.05

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Solution

The fourth proportional to 113,720.04, 170,249.67 and 66,190.05 is: 99,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,720.04 : 170,249.67 = 66,190.05 : x
  2. Step 2: Convert to fraction form
    113,720.04/170,249.67 = 66,190.05/x
  3. Step 3: Cross multiply
    113,720.04x = 170,249.67 × 66,190.05
  4. Step 4: Simplify right side
    113,720.04x = 11,268,834,169.78
  5. Step 5: Solve for x
    x = 11,268,834,169.78/113,720.04
  6. Step 6: Final answer
    x = 99,092.77

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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.