Home / 98,725.52-148,087.92-28,604.72

Finding the Fourth Proportional to 98,725.52, 148,087.92 and 28,604.72

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Solution

The fourth proportional to 98,725.52, 148,087.92 and 28,604.72 is: 42,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,725.52 : 148,087.92 = 28,604.72 : x
  2. Step 2: Convert to fraction form
    98,725.52/148,087.92 = 28,604.72/x
  3. Step 3: Cross multiply
    98,725.52x = 148,087.92 × 28,604.72
  4. Step 4: Simplify right side
    98,725.52x = 4,236,013,486.98
  5. Step 5: Solve for x
    x = 4,236,013,486.98/98,725.52
  6. Step 6: Final answer
    x = 42,906.98

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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.