Home / 82,185.80-113,419.62-48,189.56

Finding the Fourth Proportional to 82,185.80, 113,419.62 and 48,189.56

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Solution

The fourth proportional to 82,185.80, 113,419.62 and 48,189.56 is: 66,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,185.80 : 113,419.62 = 48,189.56 : x
  2. Step 2: Convert to fraction form
    82,185.80/113,419.62 = 48,189.56/x
  3. Step 3: Cross multiply
    82,185.80x = 113,419.62 × 48,189.56
  4. Step 4: Simplify right side
    82,185.80x = 5,465,641,583.17
  5. Step 5: Solve for x
    x = 5,465,641,583.17/82,185.80
  6. Step 6: Final answer
    x = 66,503.48

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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.