Home / 100,694.22-151,031.58-30,574.14

Finding the Fourth Proportional to 100,694.22, 151,031.58 and 30,574.14

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Solution

The fourth proportional to 100,694.22, 151,031.58 and 30,574.14 is: 45,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,694.22 : 151,031.58 = 30,574.14 : x
  2. Step 2: Convert to fraction form
    100,694.22/151,031.58 = 30,574.14/x
  3. Step 3: Cross multiply
    100,694.22x = 151,031.58 × 30,574.14
  4. Step 4: Simplify right side
    100,694.22x = 4,617,660,671.34
  5. Step 5: Solve for x
    x = 4,617,660,671.34/100,694.22
  6. Step 6: Final answer
    x = 45,858.25

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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.