Home / 207,677.17-311,511.27-57,913.47

Finding the Fourth Proportional to 207,677.17, 311,511.27 and 57,913.47

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Solution

The fourth proportional to 207,677.17, 311,511.27 and 57,913.47 is: 86,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,677.17 : 311,511.27 = 57,913.47 : x
  2. Step 2: Convert to fraction form
    207,677.17/311,511.27 = 57,913.47/x
  3. Step 3: Cross multiply
    207,677.17x = 311,511.27 × 57,913.47
  4. Step 4: Simplify right side
    207,677.17x = 18,040,698,589.81
  5. Step 5: Solve for x
    x = 18,040,698,589.81/207,677.17
  6. Step 6: Final answer
    x = 86,868.95

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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.