Home / 98,764.66-148,161.56-28,634.86

Finding the Fourth Proportional to 98,764.66, 148,161.56 and 28,634.86

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Solution

The fourth proportional to 98,764.66, 148,161.56 and 28,634.86 is: 42,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,764.66 : 148,161.56 = 28,634.86 : x
  2. Step 2: Convert to fraction form
    98,764.66/148,161.56 = 28,634.86/x
  3. Step 3: Cross multiply
    98,764.66x = 148,161.56 × 28,634.86
  4. Step 4: Simplify right side
    98,764.66x = 4,242,585,527.98
  5. Step 5: Solve for x
    x = 4,242,585,527.98/98,764.66
  6. Step 6: Final answer
    x = 42,956.51

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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.