Home / 68,331.03-102,535.47-54,567.51

Finding the Fourth Proportional to 68,331.03, 102,535.47 and 54,567.51

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Solution

The fourth proportional to 68,331.03, 102,535.47 and 54,567.51 is: 81,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331.03 : 102,535.47 = 54,567.51 : x
  2. Step 2: Convert to fraction form
    68,331.03/102,535.47 = 54,567.51/x
  3. Step 3: Cross multiply
    68,331.03x = 102,535.47 × 54,567.51
  4. Step 4: Simplify right side
    68,331.03x = 5,595,105,284.58
  5. Step 5: Solve for x
    x = 5,595,105,284.58/68,331.03
  6. Step 6: Final answer
    x = 81,882.35

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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.