Home / 47,003.81-70,491.83-13,713.39

Finding the Fourth Proportional to 47,003.81, 70,491.83 and 13,713.39

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Solution

The fourth proportional to 47,003.81, 70,491.83 and 13,713.39 is: 20,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,003.81 : 70,491.83 = 13,713.39 : x
  2. Step 2: Convert to fraction form
    47,003.81/70,491.83 = 13,713.39/x
  3. Step 3: Cross multiply
    47,003.81x = 70,491.83 × 13,713.39
  4. Step 4: Simplify right side
    47,003.81x = 966,681,888.04
  5. Step 5: Solve for x
    x = 966,681,888.04/47,003.81
  6. Step 6: Final answer
    x = 20,566.03

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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.