Home / 98,943.26-148,419-28,822.55

Finding the Fourth Proportional to 98,943.26, 148,419 and 28,822.55

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Solution

The fourth proportional to 98,943.26, 148,419 and 28,822.55 is: 43,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943.26 : 148,419 = 28,822.55 : x
  2. Step 2: Convert to fraction form
    98,943.26/148,419 = 28,822.55/x
  3. Step 3: Cross multiply
    98,943.26x = 148,419 × 28,822.55
  4. Step 4: Simplify right side
    98,943.26x = 4,277,813,306.36
  5. Step 5: Solve for x
    x = 4,277,813,306.36/98,943.26
  6. Step 6: Final answer
    x = 43,235.02

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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.