Home / 102,673.16-154,015.18-28,806.92

Finding the Fourth Proportional to 102,673.16, 154,015.18 and 28,806.92

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Solution

The fourth proportional to 102,673.16, 154,015.18 and 28,806.92 is: 43,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,673.16 : 154,015.18 = 28,806.92 : x
  2. Step 2: Convert to fraction form
    102,673.16/154,015.18 = 28,806.92/x
  3. Step 3: Cross multiply
    102,673.16x = 154,015.18 × 28,806.92
  4. Step 4: Simplify right side
    102,673.16x = 4,436,702,969.05
  5. Step 5: Solve for x
    x = 4,436,702,969.05/102,673.16
  6. Step 6: Final answer
    x = 43,211.91

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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.