Home / 70,074.54-96,705.24-38,245.20

Finding the Fourth Proportional to 70,074.54, 96,705.24 and 38,245.20

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Solution

The fourth proportional to 70,074.54, 96,705.24 and 38,245.20 is: 52,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074.54 : 96,705.24 = 38,245.20 : x
  2. Step 2: Convert to fraction form
    70,074.54/96,705.24 = 38,245.20/x
  3. Step 3: Cross multiply
    70,074.54x = 96,705.24 × 38,245.20
  4. Step 4: Simplify right side
    70,074.54x = 3,698,511,244.85
  5. Step 5: Solve for x
    x = 3,698,511,244.85/70,074.54
  6. Step 6: Final answer
    x = 52,779.67

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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.