Home / 45,114.48-67,653.72-13,941.36

Finding the Fourth Proportional to 45,114.48, 67,653.72 and 13,941.36

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Solution

The fourth proportional to 45,114.48, 67,653.72 and 13,941.36 is: 20,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,114.48 : 67,653.72 = 13,941.36 : x
  2. Step 2: Convert to fraction form
    45,114.48/67,653.72 = 13,941.36/x
  3. Step 3: Cross multiply
    45,114.48x = 67,653.72 × 13,941.36
  4. Step 4: Simplify right side
    45,114.48x = 943,184,865.86
  5. Step 5: Solve for x
    x = 943,184,865.86/45,114.48
  6. Step 6: Final answer
    x = 20,906.48

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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.