Home / 47,154.57-70,731.87-12,094.22

Finding the Fourth Proportional to 47,154.57, 70,731.87 and 12,094.22

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Solution

The fourth proportional to 47,154.57, 70,731.87 and 12,094.22 is: 18,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.57 : 70,731.87 = 12,094.22 : x
  2. Step 2: Convert to fraction form
    47,154.57/70,731.87 = 12,094.22/x
  3. Step 3: Cross multiply
    47,154.57x = 70,731.87 × 12,094.22
  4. Step 4: Simplify right side
    47,154.57x = 855,447,078.76
  5. Step 5: Solve for x
    x = 855,447,078.76/47,154.57
  6. Step 6: Final answer
    x = 18,141.34

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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.