Home / 76,621.14-114,685.88-40,993.34

Finding the Fourth Proportional to 76,621.14, 114,685.88 and 40,993.34

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Solution

The fourth proportional to 76,621.14, 114,685.88 and 40,993.34 is: 61,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621.14 : 114,685.88 = 40,993.34 : x
  2. Step 2: Convert to fraction form
    76,621.14/114,685.88 = 40,993.34/x
  3. Step 3: Cross multiply
    76,621.14x = 114,685.88 × 40,993.34
  4. Step 4: Simplify right side
    76,621.14x = 4,701,356,493.64
  5. Step 5: Solve for x
    x = 4,701,356,493.64/76,621.14
  6. Step 6: Final answer
    x = 61,358.48

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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.