Home / 71,380.09-98,513.26-41,165.40

Finding the Fourth Proportional to 71,380.09, 98,513.26 and 41,165.40

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Solution

The fourth proportional to 71,380.09, 98,513.26 and 41,165.40 is: 56,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.09 : 98,513.26 = 41,165.40 : x
  2. Step 2: Convert to fraction form
    71,380.09/98,513.26 = 41,165.40/x
  3. Step 3: Cross multiply
    71,380.09x = 98,513.26 × 41,165.40
  4. Step 4: Simplify right side
    71,380.09x = 4,055,337,697.13
  5. Step 5: Solve for x
    x = 4,055,337,697.13/71,380.09
  6. Step 6: Final answer
    x = 56,813.29

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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.