Home / 73,106.20-109,659.30-38,114.20

Finding the Fourth Proportional to 73,106.20, 109,659.30 and 38,114.20

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Solution

The fourth proportional to 73,106.20, 109,659.30 and 38,114.20 is: 57,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,106.20 : 109,659.30 = 38,114.20 : x
  2. Step 2: Convert to fraction form
    73,106.20/109,659.30 = 38,114.20/x
  3. Step 3: Cross multiply
    73,106.20x = 109,659.30 × 38,114.20
  4. Step 4: Simplify right side
    73,106.20x = 4,179,576,492.06
  5. Step 5: Solve for x
    x = 4,179,576,492.06/73,106.20
  6. Step 6: Final answer
    x = 57,171.30

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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.