Home / 98,818.36-148,225.38-28,694.68

Finding the Fourth Proportional to 98,818.36, 148,225.38 and 28,694.68

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Solution

The fourth proportional to 98,818.36, 148,225.38 and 28,694.68 is: 43,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.36 : 148,225.38 = 28,694.68 : x
  2. Step 2: Convert to fraction form
    98,818.36/148,225.38 = 28,694.68/x
  3. Step 3: Cross multiply
    98,818.36x = 148,225.38 × 28,694.68
  4. Step 4: Simplify right side
    98,818.36x = 4,253,279,846.98
  5. Step 5: Solve for x
    x = 4,253,279,846.98/98,818.36
  6. Step 6: Final answer
    x = 43,041.39

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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.