Home / 82,106.84-113,308.70-48,107.20

Finding the Fourth Proportional to 82,106.84, 113,308.70 and 48,107.20

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Solution

The fourth proportional to 82,106.84, 113,308.70 and 48,107.20 is: 66,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.84 : 113,308.70 = 48,107.20 : x
  2. Step 2: Convert to fraction form
    82,106.84/113,308.70 = 48,107.20/x
  3. Step 3: Cross multiply
    82,106.84x = 113,308.70 × 48,107.20
  4. Step 4: Simplify right side
    82,106.84x = 5,450,964,292.64
  5. Step 5: Solve for x
    x = 5,450,964,292.64/82,106.84
  6. Step 6: Final answer
    x = 66,388.67

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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.