Home / 47,115.08-70,672.56-12,054.74

Finding the Fourth Proportional to 47,115.08, 70,672.56 and 12,054.74

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Solution

The fourth proportional to 47,115.08, 70,672.56 and 12,054.74 is: 18,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.08 : 70,672.56 = 12,054.74 : x
  2. Step 2: Convert to fraction form
    47,115.08/70,672.56 = 12,054.74/x
  3. Step 3: Cross multiply
    47,115.08x = 70,672.56 × 12,054.74
  4. Step 4: Simplify right side
    47,115.08x = 851,939,335.93
  5. Step 5: Solve for x
    x = 851,939,335.93/47,115.08
  6. Step 6: Final answer
    x = 18,082.09

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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.