Home / 47,207.18-70,786.39-13,923.01

Finding the Fourth Proportional to 47,207.18, 70,786.39 and 13,923.01

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Solution

The fourth proportional to 47,207.18, 70,786.39 and 13,923.01 is: 20,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.18 : 70,786.39 = 13,923.01 : x
  2. Step 2: Convert to fraction form
    47,207.18/70,786.39 = 13,923.01/x
  3. Step 3: Cross multiply
    47,207.18x = 70,786.39 × 13,923.01
  4. Step 4: Simplify right side
    47,207.18x = 985,559,615.83
  5. Step 5: Solve for x
    x = 985,559,615.83/47,207.18
  6. Step 6: Final answer
    x = 20,877.32

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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.