Home / 98,982.10-148,473.15-28,863.70

Finding the Fourth Proportional to 98,982.10, 148,473.15 and 28,863.70

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Solution

The fourth proportional to 98,982.10, 148,473.15 and 28,863.70 is: 43,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.10 : 148,473.15 = 28,863.70 : x
  2. Step 2: Convert to fraction form
    98,982.10/148,473.15 = 28,863.70/x
  3. Step 3: Cross multiply
    98,982.10x = 148,473.15 × 28,863.70
  4. Step 4: Simplify right side
    98,982.10x = 4,285,484,459.66
  5. Step 5: Solve for x
    x = 4,285,484,459.66/98,982.10
  6. Step 6: Final answer
    x = 43,295.55

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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.