Home / 55,739.41-76,915.28-33,074.48

Finding the Fourth Proportional to 55,739.41, 76,915.28 and 33,074.48

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Solution

The fourth proportional to 55,739.41, 76,915.28 and 33,074.48 is: 45,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.41 : 76,915.28 = 33,074.48 : x
  2. Step 2: Convert to fraction form
    55,739.41/76,915.28 = 33,074.48/x
  3. Step 3: Cross multiply
    55,739.41x = 76,915.28 × 33,074.48
  4. Step 4: Simplify right side
    55,739.41x = 2,543,933,165.03
  5. Step 5: Solve for x
    x = 2,543,933,165.03/55,739.41
  6. Step 6: Final answer
    x = 45,639.76

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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.