Home / 54,053.06-74,644.54-51,107.90

Finding the Fourth Proportional to 54,053.06, 74,644.54 and 51,107.90

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Solution

The fourth proportional to 54,053.06, 74,644.54 and 51,107.90 is: 70,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.06 : 74,644.54 = 51,107.90 : x
  2. Step 2: Convert to fraction form
    54,053.06/74,644.54 = 51,107.90/x
  3. Step 3: Cross multiply
    54,053.06x = 74,644.54 × 51,107.90
  4. Step 4: Simplify right side
    54,053.06x = 3,814,925,184.87
  5. Step 5: Solve for x
    x = 3,814,925,184.87/54,053.06
  6. Step 6: Final answer
    x = 70,577.42

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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.