Home / 63,276.66-87,319.08-36,400.86

Finding the Fourth Proportional to 63,276.66, 87,319.08 and 36,400.86

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Solution

The fourth proportional to 63,276.66, 87,319.08 and 36,400.86 is: 50,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,276.66 : 87,319.08 = 36,400.86 : x
  2. Step 2: Convert to fraction form
    63,276.66/87,319.08 = 36,400.86/x
  3. Step 3: Cross multiply
    63,276.66x = 87,319.08 × 36,400.86
  4. Step 4: Simplify right side
    63,276.66x = 3,178,489,606.41
  5. Step 5: Solve for x
    x = 3,178,489,606.41/63,276.66
  6. Step 6: Final answer
    x = 50,231.63

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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.