Home / 47,219.06-70,836.28-13,942.49

Finding the Fourth Proportional to 47,219.06, 70,836.28 and 13,942.49

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Solution

The fourth proportional to 47,219.06, 70,836.28 and 13,942.49 is: 20,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,219.06 : 70,836.28 = 13,942.49 : x
  2. Step 2: Convert to fraction form
    47,219.06/70,836.28 = 13,942.49/x
  3. Step 3: Cross multiply
    47,219.06x = 70,836.28 × 13,942.49
  4. Step 4: Simplify right side
    47,219.06x = 987,633,701.64
  5. Step 5: Solve for x
    x = 987,633,701.64/47,219.06
  6. Step 6: Final answer
    x = 20,916.00

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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.