Home / 102,934.20-154,386.90-32,820.60

Finding the Fourth Proportional to 102,934.20, 154,386.90 and 32,820.60

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Solution

The fourth proportional to 102,934.20, 154,386.90 and 32,820.60 is: 49,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.20 : 154,386.90 = 32,820.60 : x
  2. Step 2: Convert to fraction form
    102,934.20/154,386.90 = 32,820.60/x
  3. Step 3: Cross multiply
    102,934.20x = 154,386.90 × 32,820.60
  4. Step 4: Simplify right side
    102,934.20x = 5,067,070,690.14
  5. Step 5: Solve for x
    x = 5,067,070,690.14/102,934.20
  6. Step 6: Final answer
    x = 49,226.31

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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.