Home / 63,209.16-87,207.12-40,546.44

Finding the Fourth Proportional to 63,209.16, 87,207.12 and 40,546.44

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Solution

The fourth proportional to 63,209.16, 87,207.12 and 40,546.44 is: 55,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,209.16 : 87,207.12 = 40,546.44 : x
  2. Step 2: Convert to fraction form
    63,209.16/87,207.12 = 40,546.44/x
  3. Step 3: Cross multiply
    63,209.16x = 87,207.12 × 40,546.44
  4. Step 4: Simplify right side
    63,209.16x = 3,535,938,258.65
  5. Step 5: Solve for x
    x = 3,535,938,258.65/63,209.16
  6. Step 6: Final answer
    x = 55,940.28

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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.