Home / 102,735.64-154,117.94-31,664.03

Finding the Fourth Proportional to 102,735.64, 154,117.94 and 31,664.03

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Solution

The fourth proportional to 102,735.64, 154,117.94 and 31,664.03 is: 47,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,735.64 : 154,117.94 = 31,664.03 : x
  2. Step 2: Convert to fraction form
    102,735.64/154,117.94 = 31,664.03/x
  3. Step 3: Cross multiply
    102,735.64x = 154,117.94 × 31,664.03
  4. Step 4: Simplify right side
    102,735.64x = 4,879,994,611.24
  5. Step 5: Solve for x
    x = 4,879,994,611.24/102,735.64
  6. Step 6: Final answer
    x = 47,500.50

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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.