Home / 85,190.93-117,563.96-49,402.19

Finding the Fourth Proportional to 85,190.93, 117,563.96 and 49,402.19

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Solution

The fourth proportional to 85,190.93, 117,563.96 and 49,402.19 is: 68,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,190.93 : 117,563.96 = 49,402.19 : x
  2. Step 2: Convert to fraction form
    85,190.93/117,563.96 = 49,402.19/x
  3. Step 3: Cross multiply
    85,190.93x = 117,563.96 × 49,402.19
  4. Step 4: Simplify right side
    85,190.93x = 5,807,916,254.24
  5. Step 5: Solve for x
    x = 5,807,916,254.24/85,190.93
  6. Step 6: Final answer
    x = 68,175.29

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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.