Home / 76,553.73-114,853.94-39,140.08

Finding the Fourth Proportional to 76,553.73, 114,853.94 and 39,140.08

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Solution

The fourth proportional to 76,553.73, 114,853.94 and 39,140.08 is: 58,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,553.73 : 114,853.94 = 39,140.08 : x
  2. Step 2: Convert to fraction form
    76,553.73/114,853.94 = 39,140.08/x
  3. Step 3: Cross multiply
    76,553.73x = 114,853.94 × 39,140.08
  4. Step 4: Simplify right side
    76,553.73x = 4,495,392,173.94
  5. Step 5: Solve for x
    x = 4,495,392,173.94/76,553.73
  6. Step 6: Final answer
    x = 58,722.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.