Home / 88,616.45-122,281.73-54,619.49

Finding the Fourth Proportional to 88,616.45, 122,281.73 and 54,619.49

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Solution

The fourth proportional to 88,616.45, 122,281.73 and 54,619.49 is: 75,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.45 : 122,281.73 = 54,619.49 : x
  2. Step 2: Convert to fraction form
    88,616.45/122,281.73 = 54,619.49/x
  3. Step 3: Cross multiply
    88,616.45x = 122,281.73 × 54,619.49
  4. Step 4: Simplify right side
    88,616.45x = 6,678,965,455.82
  5. Step 5: Solve for x
    x = 6,678,965,455.82/88,616.45
  6. Step 6: Final answer
    x = 75,369.36

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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.