Home / 82,479.49-113,914.97-55,575.34

Finding the Fourth Proportional to 82,479.49, 113,914.97 and 55,575.34

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Solution

The fourth proportional to 82,479.49, 113,914.97 and 55,575.34 is: 76,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479.49 : 113,914.97 = 55,575.34 : x
  2. Step 2: Convert to fraction form
    82,479.49/113,914.97 = 55,575.34/x
  3. Step 3: Cross multiply
    82,479.49x = 113,914.97 × 55,575.34
  4. Step 4: Simplify right side
    82,479.49x = 6,330,863,188.84
  5. Step 5: Solve for x
    x = 6,330,863,188.84/82,479.49
  6. Step 6: Final answer
    x = 76,756.82

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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.