Home / 45,433.96-68,161.92-14,269.21

Finding the Fourth Proportional to 45,433.96, 68,161.92 and 14,269.21

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Solution

The fourth proportional to 45,433.96, 68,161.92 and 14,269.21 is: 21,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.96 : 68,161.92 = 14,269.21 : x
  2. Step 2: Convert to fraction form
    45,433.96/68,161.92 = 14,269.21/x
  3. Step 3: Cross multiply
    45,433.96x = 68,161.92 × 14,269.21
  4. Step 4: Simplify right side
    45,433.96x = 972,616,750.48
  5. Step 5: Solve for x
    x = 972,616,750.48/45,433.96
  6. Step 6: Final answer
    x = 21,407.26

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1.5x scale

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.