Home / 47,164.36-70,722.19-13,880.10

Finding the Fourth Proportional to 47,164.36, 70,722.19 and 13,880.10

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Solution

The fourth proportional to 47,164.36, 70,722.19 and 13,880.10 is: 20,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,164.36 : 70,722.19 = 13,880.10 : x
  2. Step 2: Convert to fraction form
    47,164.36/70,722.19 = 13,880.10/x
  3. Step 3: Cross multiply
    47,164.36x = 70,722.19 × 13,880.10
  4. Step 4: Simplify right side
    47,164.36x = 981,631,086.77
  5. Step 5: Solve for x
    x = 981,631,086.77/47,164.36
  6. Step 6: Final answer
    x = 20,812.99

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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.