Home / 63,643.86-87,821.96-36,795.02

Finding the Fourth Proportional to 63,643.86, 87,821.96 and 36,795.02

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Solution

The fourth proportional to 63,643.86, 87,821.96 and 36,795.02 is: 50,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.86 : 87,821.96 = 36,795.02 : x
  2. Step 2: Convert to fraction form
    63,643.86/87,821.96 = 36,795.02/x
  3. Step 3: Cross multiply
    63,643.86x = 87,821.96 × 36,795.02
  4. Step 4: Simplify right side
    63,643.86x = 3,231,410,151.55
  5. Step 5: Solve for x
    x = 3,231,410,151.55/63,643.86
  6. Step 6: Final answer
    x = 50,773.32

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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.