Home / 69,511.73-96,051.41-55,476.05

Finding the Fourth Proportional to 69,511.73, 96,051.41 and 55,476.05

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Solution

The fourth proportional to 69,511.73, 96,051.41 and 55,476.05 is: 76,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.73 : 96,051.41 = 55,476.05 : x
  2. Step 2: Convert to fraction form
    69,511.73/96,051.41 = 55,476.05/x
  3. Step 3: Cross multiply
    69,511.73x = 96,051.41 × 55,476.05
  4. Step 4: Simplify right side
    69,511.73x = 5,328,552,066.09
  5. Step 5: Solve for x
    x = 5,328,552,066.09/69,511.73
  6. Step 6: Final answer
    x = 76,656.88

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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.