Home / 54,920.70-82,308.15-28,618.38

Finding the Fourth Proportional to 54,920.70, 82,308.15 and 28,618.38

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Solution

The fourth proportional to 54,920.70, 82,308.15 and 28,618.38 is: 42,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.70 : 82,308.15 = 28,618.38 : x
  2. Step 2: Convert to fraction form
    54,920.70/82,308.15 = 28,618.38/x
  3. Step 3: Cross multiply
    54,920.70x = 82,308.15 × 28,618.38
  4. Step 4: Simplify right side
    54,920.70x = 2,355,525,913.80
  5. Step 5: Solve for x
    x = 2,355,525,913.80/54,920.70
  6. Step 6: Final answer
    x = 42,889.58

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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.