Home / 98,683.62-148,049.73-28,570.02

Finding the Fourth Proportional to 98,683.62, 148,049.73 and 28,570.02

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Solution

The fourth proportional to 98,683.62, 148,049.73 and 28,570.02 is: 42,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,683.62 : 148,049.73 = 28,570.02 : x
  2. Step 2: Convert to fraction form
    98,683.62/148,049.73 = 28,570.02/x
  3. Step 3: Cross multiply
    98,683.62x = 148,049.73 × 28,570.02
  4. Step 4: Simplify right side
    98,683.62x = 4,229,783,747.09
  5. Step 5: Solve for x
    x = 4,229,783,747.09/98,683.62
  6. Step 6: Final answer
    x = 42,862.07

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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.