Home / 68,520.33-94,681.31-53,451.09

Finding the Fourth Proportional to 68,520.33, 94,681.31 and 53,451.09

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Solution

The fourth proportional to 68,520.33, 94,681.31 and 53,451.09 is: 73,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.33 : 94,681.31 = 53,451.09 : x
  2. Step 2: Convert to fraction form
    68,520.33/94,681.31 = 53,451.09/x
  3. Step 3: Cross multiply
    68,520.33x = 94,681.31 × 53,451.09
  4. Step 4: Simplify right side
    68,520.33x = 5,060,818,954.87
  5. Step 5: Solve for x
    x = 5,060,818,954.87/68,520.33
  6. Step 6: Final answer
    x = 73,858.65

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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.