Home / 47,629.76-71,444.90-12,091.10

Finding the Fourth Proportional to 47,629.76, 71,444.90 and 12,091.10

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Solution

The fourth proportional to 47,629.76, 71,444.90 and 12,091.10 is: 18,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,629.76 : 71,444.90 = 12,091.10 : x
  2. Step 2: Convert to fraction form
    47,629.76/71,444.90 = 12,091.10/x
  3. Step 3: Cross multiply
    47,629.76x = 71,444.90 × 12,091.10
  4. Step 4: Simplify right side
    47,629.76x = 863,847,430.39
  5. Step 5: Solve for x
    x = 863,847,430.39/47,629.76
  6. Step 6: Final answer
    x = 18,136.72

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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.