Home / 72,927.72-109,589.22-39,672.36

Finding the Fourth Proportional to 72,927.72, 109,589.22 and 39,672.36

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Solution

The fourth proportional to 72,927.72, 109,589.22 and 39,672.36 is: 59,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.72 : 109,589.22 = 39,672.36 : x
  2. Step 2: Convert to fraction form
    72,927.72/109,589.22 = 39,672.36/x
  3. Step 3: Cross multiply
    72,927.72x = 109,589.22 × 39,672.36
  4. Step 4: Simplify right side
    72,927.72x = 4,347,662,987.96
  5. Step 5: Solve for x
    x = 4,347,662,987.96/72,927.72
  6. Step 6: Final answer
    x = 59,616.06

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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.