Home / 47,115.76-70,676.04-12,055.72

Finding the Fourth Proportional to 47,115.76, 70,676.04 and 12,055.72

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Solution

The fourth proportional to 47,115.76, 70,676.04 and 12,055.72 is: 18,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.76 : 70,676.04 = 12,055.72 : x
  2. Step 2: Convert to fraction form
    47,115.76/70,676.04 = 12,055.72/x
  3. Step 3: Cross multiply
    47,115.76x = 70,676.04 × 12,055.72
  4. Step 4: Simplify right side
    47,115.76x = 852,050,548.95
  5. Step 5: Solve for x
    x = 852,050,548.95/47,115.76
  6. Step 6: Final answer
    x = 18,084.19

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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.