Home / 89,823.94-123,971.73-54,033.70

Finding the Fourth Proportional to 89,823.94, 123,971.73 and 54,033.70

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Solution

The fourth proportional to 89,823.94, 123,971.73 and 54,033.70 is: 74,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.94 : 123,971.73 = 54,033.70 : x
  2. Step 2: Convert to fraction form
    89,823.94/123,971.73 = 54,033.70/x
  3. Step 3: Cross multiply
    89,823.94x = 123,971.73 × 54,033.70
  4. Step 4: Simplify right side
    89,823.94x = 6,698,651,267.30
  5. Step 5: Solve for x
    x = 6,698,651,267.30/89,823.94
  6. Step 6: Final answer
    x = 74,575.34

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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.