Home / 47,162.58-70,744.42-18,706.47

Finding the Fourth Proportional to 47,162.58, 70,744.42 and 18,706.47

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Solution

The fourth proportional to 47,162.58, 70,744.42 and 18,706.47 is: 28,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,162.58 : 70,744.42 = 18,706.47 : x
  2. Step 2: Convert to fraction form
    47,162.58/70,744.42 = 18,706.47/x
  3. Step 3: Cross multiply
    47,162.58x = 70,744.42 × 18,706.47
  4. Step 4: Simplify right side
    47,162.58x = 1,323,378,128.49
  5. Step 5: Solve for x
    x = 1,323,378,128.49/47,162.58
  6. Step 6: Final answer
    x = 28,059.92

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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.