Home / 47,086.32-70,619.83-13,797.41

Finding the Fourth Proportional to 47,086.32, 70,619.83 and 13,797.41

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Solution

The fourth proportional to 47,086.32, 70,619.83 and 13,797.41 is: 20,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.32 : 70,619.83 = 13,797.41 : x
  2. Step 2: Convert to fraction form
    47,086.32/70,619.83 = 13,797.41/x
  3. Step 3: Cross multiply
    47,086.32x = 70,619.83 × 13,797.41
  4. Step 4: Simplify right side
    47,086.32x = 974,370,890.70
  5. Step 5: Solve for x
    x = 974,370,890.70/47,086.32
  6. Step 6: Final answer
    x = 20,693.29

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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.