Home / 63,072.72-94,616.40-20,956.56

Finding the Fourth Proportional to 63,072.72, 94,616.40 and 20,956.56

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Solution

The fourth proportional to 63,072.72, 94,616.40 and 20,956.56 is: 31,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.72 : 94,616.40 = 20,956.56 : x
  2. Step 2: Convert to fraction form
    63,072.72/94,616.40 = 20,956.56/x
  3. Step 3: Cross multiply
    63,072.72x = 94,616.40 × 20,956.56
  4. Step 4: Simplify right side
    63,072.72x = 1,982,834,263.58
  5. Step 5: Solve for x
    x = 1,982,834,263.58/63,072.72
  6. Step 6: Final answer
    x = 31,437.27

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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.