Home / 102,865.21-154,223.66-46,677.13

Finding the Fourth Proportional to 102,865.21, 154,223.66 and 46,677.13

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Solution

The fourth proportional to 102,865.21, 154,223.66 and 46,677.13 is: 69,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,865.21 : 154,223.66 = 46,677.13 : x
  2. Step 2: Convert to fraction form
    102,865.21/154,223.66 = 46,677.13/x
  3. Step 3: Cross multiply
    102,865.21x = 154,223.66 × 46,677.13
  4. Step 4: Simplify right side
    102,865.21x = 7,198,717,558.03
  5. Step 5: Solve for x
    x = 7,198,717,558.03/102,865.21
  6. Step 6: Final answer
    x = 69,982.04

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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.