Home / 102,904.98-154,355.67-28,023.90

Finding the Fourth Proportional to 102,904.98, 154,355.67 and 28,023.90

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Solution

The fourth proportional to 102,904.98, 154,355.67 and 28,023.90 is: 42,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.98 : 154,355.67 = 28,023.90 : x
  2. Step 2: Convert to fraction form
    102,904.98/154,355.67 = 28,023.90/x
  3. Step 3: Cross multiply
    102,904.98x = 154,355.67 × 28,023.90
  4. Step 4: Simplify right side
    102,904.98x = 4,325,647,860.51
  5. Step 5: Solve for x
    x = 4,325,647,860.51/102,904.98
  6. Step 6: Final answer
    x = 42,035.36

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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.