Home / 85,193.93-117,568.10-49,405.19

Finding the Fourth Proportional to 85,193.93, 117,568.10 and 49,405.19

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Solution

The fourth proportional to 85,193.93, 117,568.10 and 49,405.19 is: 68,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.93 : 117,568.10 = 49,405.19 : x
  2. Step 2: Convert to fraction form
    85,193.93/117,568.10 = 49,405.19/x
  3. Step 3: Cross multiply
    85,193.93x = 117,568.10 × 49,405.19
  4. Step 4: Simplify right side
    85,193.93x = 5,808,473,483.57
  5. Step 5: Solve for x
    x = 5,808,473,483.57/85,193.93
  6. Step 6: Final answer
    x = 68,179.43

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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.