Home / 34,139.14-51,208.72-10,767.40

Finding the Fourth Proportional to 34,139.14, 51,208.72 and 10,767.40

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Solution

The fourth proportional to 34,139.14, 51,208.72 and 10,767.40 is: 16,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.14 : 51,208.72 = 10,767.40 : x
  2. Step 2: Convert to fraction form
    34,139.14/51,208.72 = 10,767.40/x
  3. Step 3: Cross multiply
    34,139.14x = 51,208.72 × 10,767.40
  4. Step 4: Simplify right side
    34,139.14x = 551,384,771.73
  5. Step 5: Solve for x
    x = 551,384,771.73/34,139.14
  6. Step 6: Final answer
    x = 16,151.10

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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.