Home / 47,512.80-65,654.46-45,207.06

Finding the Fourth Proportional to 47,512.80, 65,654.46 and 45,207.06

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Solution

The fourth proportional to 47,512.80, 65,654.46 and 45,207.06 is: 62,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.80 : 65,654.46 = 45,207.06 : x
  2. Step 2: Convert to fraction form
    47,512.80/65,654.46 = 45,207.06/x
  3. Step 3: Cross multiply
    47,512.80x = 65,654.46 × 45,207.06
  4. Step 4: Simplify right side
    47,512.80x = 2,968,045,112.49
  5. Step 5: Solve for x
    x = 2,968,045,112.49/47,512.80
  6. Step 6: Final answer
    x = 62,468.33

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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.