Home / 75,620.04-104,354.64-42,086.04

Finding the Fourth Proportional to 75,620.04, 104,354.64 and 42,086.04

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Solution

The fourth proportional to 75,620.04, 104,354.64 and 42,086.04 is: 58,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.04 : 104,354.64 = 42,086.04 : x
  2. Step 2: Convert to fraction form
    75,620.04/104,354.64 = 42,086.04/x
  3. Step 3: Cross multiply
    75,620.04x = 104,354.64 × 42,086.04
  4. Step 4: Simplify right side
    75,620.04x = 4,391,873,553.23
  5. Step 5: Solve for x
    x = 4,391,873,553.23/75,620.04
  6. Step 6: Final answer
    x = 58,078.17

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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.