Home / 72,833.86-109,261.55-37,315.27

Finding the Fourth Proportional to 72,833.86, 109,261.55 and 37,315.27

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Solution

The fourth proportional to 72,833.86, 109,261.55 and 37,315.27 is: 55,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833.86 : 109,261.55 = 37,315.27 : x
  2. Step 2: Convert to fraction form
    72,833.86/109,261.55 = 37,315.27/x
  3. Step 3: Cross multiply
    72,833.86x = 109,261.55 × 37,315.27
  4. Step 4: Simplify right side
    72,833.86x = 4,077,124,238.87
  5. Step 5: Solve for x
    x = 4,077,124,238.87/72,833.86
  6. Step 6: Final answer
    x = 55,978.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.