Home / 72,379.84-108,621.06-32,942.02

Finding the Fourth Proportional to 72,379.84, 108,621.06 and 32,942.02

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Solution

The fourth proportional to 72,379.84, 108,621.06 and 32,942.02 is: 49,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,379.84 : 108,621.06 = 32,942.02 : x
  2. Step 2: Convert to fraction form
    72,379.84/108,621.06 = 32,942.02/x
  3. Step 3: Cross multiply
    72,379.84x = 108,621.06 × 32,942.02
  4. Step 4: Simplify right side
    72,379.84x = 3,578,197,130.94
  5. Step 5: Solve for x
    x = 3,578,197,130.94/72,379.84
  6. Step 6: Final answer
    x = 49,436.38

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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.