Home / 47,120.67-70,680.96-12,060.27

Finding the Fourth Proportional to 47,120.67, 70,680.96 and 12,060.27

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Solution

The fourth proportional to 47,120.67, 70,680.96 and 12,060.27 is: 18,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.67 : 70,680.96 = 12,060.27 : x
  2. Step 2: Convert to fraction form
    47,120.67/70,680.96 = 12,060.27/x
  3. Step 3: Cross multiply
    47,120.67x = 70,680.96 × 12,060.27
  4. Step 4: Simplify right side
    47,120.67x = 852,431,461.46
  5. Step 5: Solve for x
    x = 852,431,461.46/47,120.67
  6. Step 6: Final answer
    x = 18,090.39

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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.