Home / 89,283.66-123,215.31-53,479.50

Finding the Fourth Proportional to 89,283.66, 123,215.31 and 53,479.50

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Solution

The fourth proportional to 89,283.66, 123,215.31 and 53,479.50 is: 73,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,283.66 : 123,215.31 = 53,479.50 : x
  2. Step 2: Convert to fraction form
    89,283.66/123,215.31 = 53,479.50/x
  3. Step 3: Cross multiply
    89,283.66x = 123,215.31 × 53,479.50
  4. Step 4: Simplify right side
    89,283.66x = 6,589,493,171.15
  5. Step 5: Solve for x
    x = 6,589,493,171.15/89,283.66
  6. Step 6: Final answer
    x = 73,804.02

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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.