Home / 70,949.64-98,333.13-69,621.03

Finding the Fourth Proportional to 70,949.64, 98,333.13 and 69,621.03

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Solution

The fourth proportional to 70,949.64, 98,333.13 and 69,621.03 is: 96,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.64 : 98,333.13 = 69,621.03 : x
  2. Step 2: Convert to fraction form
    70,949.64/98,333.13 = 69,621.03/x
  3. Step 3: Cross multiply
    70,949.64x = 98,333.13 × 69,621.03
  4. Step 4: Simplify right side
    70,949.64x = 6,846,054,213.61
  5. Step 5: Solve for x
    x = 6,846,054,213.61/70,949.64
  6. Step 6: Final answer
    x = 96,491.75

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.