Home / 63,290.39-87,342.25-36,065.89

Finding the Fourth Proportional to 63,290.39, 87,342.25 and 36,065.89

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Solution

The fourth proportional to 63,290.39, 87,342.25 and 36,065.89 is: 49,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290.39 : 87,342.25 = 36,065.89 : x
  2. Step 2: Convert to fraction form
    63,290.39/87,342.25 = 36,065.89/x
  3. Step 3: Cross multiply
    63,290.39x = 87,342.25 × 36,065.89
  4. Step 4: Simplify right side
    63,290.39x = 3,150,076,112.74
  5. Step 5: Solve for x
    x = 3,150,076,112.74/63,290.39
  6. Step 6: Final answer
    x = 49,771.79

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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.