Home / 47,704.90-65,805.06-40,186.48

Finding the Fourth Proportional to 47,704.90, 65,805.06 and 40,186.48

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Solution

The fourth proportional to 47,704.90, 65,805.06 and 40,186.48 is: 55,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,704.90 : 65,805.06 = 40,186.48 : x
  2. Step 2: Convert to fraction form
    47,704.90/65,805.06 = 40,186.48/x
  3. Step 3: Cross multiply
    47,704.90x = 65,805.06 × 40,186.48
  4. Step 4: Simplify right side
    47,704.90x = 2,644,473,727.59
  5. Step 5: Solve for x
    x = 2,644,473,727.59/47,704.90
  6. Step 6: Final answer
    x = 55,434.01

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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.