Home / 99,065.07-148,563.05-43,630.83

Finding the Fourth Proportional to 99,065.07, 148,563.05 and 43,630.83

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Solution

The fourth proportional to 99,065.07, 148,563.05 and 43,630.83 is: 65,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.07 : 148,563.05 = 43,630.83 : x
  2. Step 2: Convert to fraction form
    99,065.07/148,563.05 = 43,630.83/x
  3. Step 3: Cross multiply
    99,065.07x = 148,563.05 × 43,630.83
  4. Step 4: Simplify right side
    99,065.07x = 6,481,928,960.68
  5. Step 5: Solve for x
    x = 6,481,928,960.68/99,065.07
  6. Step 6: Final answer
    x = 65,431.02

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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.