Home / 47,697.04-71,546.91-12,636.70

Finding the Fourth Proportional to 47,697.04, 71,546.91 and 12,636.70

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Solution

The fourth proportional to 47,697.04, 71,546.91 and 12,636.70 is: 18,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,697.04 : 71,546.91 = 12,636.70 : x
  2. Step 2: Convert to fraction form
    47,697.04/71,546.91 = 12,636.70/x
  3. Step 3: Cross multiply
    47,697.04x = 71,546.91 × 12,636.70
  4. Step 4: Simplify right side
    47,697.04x = 904,116,837.60
  5. Step 5: Solve for x
    x = 904,116,837.60/47,697.04
  6. Step 6: Final answer
    x = 18,955.41

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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.