Home / 45,893.72-63,172.14-40,215.08

Finding the Fourth Proportional to 45,893.72, 63,172.14 and 40,215.08

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Solution

The fourth proportional to 45,893.72, 63,172.14 and 40,215.08 is: 55,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,893.72 : 63,172.14 = 40,215.08 : x
  2. Step 2: Convert to fraction form
    45,893.72/63,172.14 = 40,215.08/x
  3. Step 3: Cross multiply
    45,893.72x = 63,172.14 × 40,215.08
  4. Step 4: Simplify right side
    45,893.72x = 2,540,472,663.87
  5. Step 5: Solve for x
    x = 2,540,472,663.87/45,893.72
  6. Step 6: Final answer
    x = 55,355.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.