Home / 72,886.11-109,344.50-41,311.29

Finding the Fourth Proportional to 72,886.11, 109,344.50 and 41,311.29

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Solution

The fourth proportional to 72,886.11, 109,344.50 and 41,311.29 is: 61,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886.11 : 109,344.50 = 41,311.29 : x
  2. Step 2: Convert to fraction form
    72,886.11/109,344.50 = 41,311.29/x
  3. Step 3: Cross multiply
    72,886.11x = 109,344.50 × 41,311.29
  4. Step 4: Simplify right side
    72,886.11x = 4,517,162,707.81
  5. Step 5: Solve for x
    x = 4,517,162,707.81/72,886.11
  6. Step 6: Final answer
    x = 61,975.63

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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.