Home / 98,890.92-148,360.68-28,770.84

Finding the Fourth Proportional to 98,890.92, 148,360.68 and 28,770.84

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Solution

The fourth proportional to 98,890.92, 148,360.68 and 28,770.84 is: 43,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.92 : 148,360.68 = 28,770.84 : x
  2. Step 2: Convert to fraction form
    98,890.92/148,360.68 = 28,770.84/x
  3. Step 3: Cross multiply
    98,890.92x = 148,360.68 × 28,770.84
  4. Step 4: Simplify right side
    98,890.92x = 4,268,461,386.57
  5. Step 5: Solve for x
    x = 4,268,461,386.57/98,890.92
  6. Step 6: Final answer
    x = 43,163.33

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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.