Home / 102,904.48-154,354.83-28,023.49

Finding the Fourth Proportional to 102,904.48, 154,354.83 and 28,023.49

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Solution

The fourth proportional to 102,904.48, 154,354.83 and 28,023.49 is: 42,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.48 : 154,354.83 = 28,023.49 : x
  2. Step 2: Convert to fraction form
    102,904.48/154,354.83 = 28,023.49/x
  3. Step 3: Cross multiply
    102,904.48x = 154,354.83 × 28,023.49
  4. Step 4: Simplify right side
    102,904.48x = 4,325,561,034.96
  5. Step 5: Solve for x
    x = 4,325,561,034.96/102,904.48
  6. Step 6: Final answer
    x = 42,034.72

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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.