Home / 54,140.88-81,253.44-35,415.84

Finding the Fourth Proportional to 54,140.88, 81,253.44 and 35,415.84

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Solution

The fourth proportional to 54,140.88, 81,253.44 and 35,415.84 is: 53,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.88 : 81,253.44 = 35,415.84 : x
  2. Step 2: Convert to fraction form
    54,140.88/81,253.44 = 35,415.84/x
  3. Step 3: Cross multiply
    54,140.88x = 81,253.44 × 35,415.84
  4. Step 4: Simplify right side
    54,140.88x = 2,877,658,830.49
  5. Step 5: Solve for x
    x = 2,877,658,830.49/54,140.88
  6. Step 6: Final answer
    x = 53,151.31

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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.