Home / 82,378.96-113,615.28-50,525.44

Finding the Fourth Proportional to 82,378.96, 113,615.28 and 50,525.44

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Solution

The fourth proportional to 82,378.96, 113,615.28 and 50,525.44 is: 69,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378.96 : 113,615.28 = 50,525.44 : x
  2. Step 2: Convert to fraction form
    82,378.96/113,615.28 = 50,525.44/x
  3. Step 3: Cross multiply
    82,378.96x = 113,615.28 × 50,525.44
  4. Step 4: Simplify right side
    82,378.96x = 5,740,462,012.72
  5. Step 5: Solve for x
    x = 5,740,462,012.72/82,378.96
  6. Step 6: Final answer
    x = 69,683.59

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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.