Home / 47,120.58-70,680.96-11,581.92

Finding the Fourth Proportional to 47,120.58, 70,680.96 and 11,581.92

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Solution

The fourth proportional to 47,120.58, 70,680.96 and 11,581.92 is: 17,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.58 : 70,680.96 = 11,581.92 : x
  2. Step 2: Convert to fraction form
    47,120.58/70,680.96 = 11,581.92/x
  3. Step 3: Cross multiply
    47,120.58x = 70,680.96 × 11,581.92
  4. Step 4: Simplify right side
    47,120.58x = 818,621,224.24
  5. Step 5: Solve for x
    x = 818,621,224.24/47,120.58
  6. Step 6: Final answer
    x = 17,372.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.