Home / 47,631.76-71,447.90-12,093.10

Finding the Fourth Proportional to 47,631.76, 71,447.90 and 12,093.10

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Solution

The fourth proportional to 47,631.76, 71,447.90 and 12,093.10 is: 18,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.76 : 71,447.90 = 12,093.10 : x
  2. Step 2: Convert to fraction form
    47,631.76/71,447.90 = 12,093.10/x
  3. Step 3: Cross multiply
    47,631.76x = 71,447.90 × 12,093.10
  4. Step 4: Simplify right side
    47,631.76x = 864,026,599.49
  5. Step 5: Solve for x
    x = 864,026,599.49/47,631.76
  6. Step 6: Final answer
    x = 18,139.72

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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.