Home / 75,638.04-104,379.65-41,645.83

Finding the Fourth Proportional to 75,638.04, 104,379.65 and 41,645.83

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Solution

The fourth proportional to 75,638.04, 104,379.65 and 41,645.83 is: 57,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.04 : 104,379.65 = 41,645.83 : x
  2. Step 2: Convert to fraction form
    75,638.04/104,379.65 = 41,645.83/x
  3. Step 3: Cross multiply
    75,638.04x = 104,379.65 × 41,645.83
  4. Step 4: Simplify right side
    75,638.04x = 4,346,977,159.36
  5. Step 5: Solve for x
    x = 4,346,977,159.36/75,638.04
  6. Step 6: Final answer
    x = 57,470.78

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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.