Home / 89,979.64-124,166.46-54,181.24

Finding the Fourth Proportional to 89,979.64, 124,166.46 and 54,181.24

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Solution

The fourth proportional to 89,979.64, 124,166.46 and 54,181.24 is: 74,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,979.64 : 124,166.46 = 54,181.24 : x
  2. Step 2: Convert to fraction form
    89,979.64/124,166.46 = 54,181.24/x
  3. Step 3: Cross multiply
    89,979.64x = 124,166.46 × 54,181.24
  4. Step 4: Simplify right side
    89,979.64x = 6,727,492,769.21
  5. Step 5: Solve for x
    x = 6,727,492,769.21/89,979.64
  6. Step 6: Final answer
    x = 74,766.83

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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.