Home / 54,907.20-75,771.90-29,756.70

Finding the Fourth Proportional to 54,907.20, 75,771.90 and 29,756.70

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Solution

The fourth proportional to 54,907.20, 75,771.90 and 29,756.70 is: 41,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.20 : 75,771.90 = 29,756.70 : x
  2. Step 2: Convert to fraction form
    54,907.20/75,771.90 = 29,756.70/x
  3. Step 3: Cross multiply
    54,907.20x = 75,771.90 × 29,756.70
  4. Step 4: Simplify right side
    54,907.20x = 2,254,721,696.73
  5. Step 5: Solve for x
    x = 2,254,721,696.73/54,907.20
  6. Step 6: Final answer
    x = 41,064.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.