Home / 45,513.92-68,512.40-32,456.64

Finding the Fourth Proportional to 45,513.92, 68,512.40 and 32,456.64

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Solution

The fourth proportional to 45,513.92, 68,512.40 and 32,456.64 is: 48,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513.92 : 68,512.40 = 32,456.64 : x
  2. Step 2: Convert to fraction form
    45,513.92/68,512.40 = 32,456.64/x
  3. Step 3: Cross multiply
    45,513.92x = 68,512.40 × 32,456.64
  4. Step 4: Simplify right side
    45,513.92x = 2,223,682,302.34
  5. Step 5: Solve for x
    x = 2,223,682,302.34/45,513.92
  6. Step 6: Final answer
    x = 48,857.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.