Home / 63,645.86-87,844.28-36,784.64

Finding the Fourth Proportional to 63,645.86, 87,844.28 and 36,784.64

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Solution

The fourth proportional to 63,645.86, 87,844.28 and 36,784.64 is: 50,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.86 : 87,844.28 = 36,784.64 : x
  2. Step 2: Convert to fraction form
    63,645.86/87,844.28 = 36,784.64/x
  3. Step 3: Cross multiply
    63,645.86x = 87,844.28 × 36,784.64
  4. Step 4: Simplify right side
    63,645.86x = 3,231,319,592.71
  5. Step 5: Solve for x
    x = 3,231,319,592.71/63,645.86
  6. Step 6: Final answer
    x = 50,770.31

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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.