Home / 63,111.44-94,631.64-20,968.96

Finding the Fourth Proportional to 63,111.44, 94,631.64 and 20,968.96

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Solution

The fourth proportional to 63,111.44, 94,631.64 and 20,968.96 is: 31,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,111.44 : 94,631.64 = 20,968.96 : x
  2. Step 2: Convert to fraction form
    63,111.44/94,631.64 = 20,968.96/x
  3. Step 3: Cross multiply
    63,111.44x = 94,631.64 × 20,968.96
  4. Step 4: Simplify right side
    63,111.44x = 1,984,327,073.89
  5. Step 5: Solve for x
    x = 1,984,327,073.89/63,111.44
  6. Step 6: Final answer
    x = 31,441.64

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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.