Home / 77,956.92-116,906.28-28,023.36

Finding the Fourth Proportional to 77,956.92, 116,906.28 and 28,023.36

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Solution

The fourth proportional to 77,956.92, 116,906.28 and 28,023.36 is: 42,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,956.92 : 116,906.28 = 28,023.36 : x
  2. Step 2: Convert to fraction form
    77,956.92/116,906.28 = 28,023.36/x
  3. Step 3: Cross multiply
    77,956.92x = 116,906.28 × 28,023.36
  4. Step 4: Simplify right side
    77,956.92x = 3,276,106,770.70
  5. Step 5: Solve for x
    x = 3,276,106,770.70/77,956.92
  6. Step 6: Final answer
    x = 42,024.58

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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.