Home / 72,582.08-108,885.87-33,143.18

Finding the Fourth Proportional to 72,582.08, 108,885.87 and 33,143.18

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Solution

The fourth proportional to 72,582.08, 108,885.87 and 33,143.18 is: 49,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582.08 : 108,885.87 = 33,143.18 : x
  2. Step 2: Convert to fraction form
    72,582.08/108,885.87 = 33,143.18/x
  3. Step 3: Cross multiply
    72,582.08x = 108,885.87 × 33,143.18
  4. Step 4: Simplify right side
    72,582.08x = 3,608,823,988.87
  5. Step 5: Solve for x
    x = 3,608,823,988.87/72,582.08
  6. Step 6: Final answer
    x = 49,720.59

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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.