Home / 99,313.20-148,872.60-40,069.80

Finding the Fourth Proportional to 99,313.20, 148,872.60 and 40,069.80

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Solution

The fourth proportional to 99,313.20, 148,872.60 and 40,069.80 is: 60,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,313.20 : 148,872.60 = 40,069.80 : x
  2. Step 2: Convert to fraction form
    99,313.20/148,872.60 = 40,069.80/x
  3. Step 3: Cross multiply
    99,313.20x = 148,872.60 × 40,069.80
  4. Step 4: Simplify right side
    99,313.20x = 5,965,295,307.48
  5. Step 5: Solve for x
    x = 5,965,295,307.48/99,313.20
  6. Step 6: Final answer
    x = 60,065.48

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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.