Home / 47,369.64-71,052.84-12,309.60

Finding the Fourth Proportional to 47,369.64, 71,052.84 and 12,309.60

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Solution

The fourth proportional to 47,369.64, 71,052.84 and 12,309.60 is: 18,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,369.64 : 71,052.84 = 12,309.60 : x
  2. Step 2: Convert to fraction form
    47,369.64/71,052.84 = 12,309.60/x
  3. Step 3: Cross multiply
    47,369.64x = 71,052.84 × 12,309.60
  4. Step 4: Simplify right side
    47,369.64x = 874,632,039.26
  5. Step 5: Solve for x
    x = 874,632,039.26/47,369.64
  6. Step 6: Final answer
    x = 18,463.98

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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.