Home / 104,651.73-144,420.84-56,905.83

Finding the Fourth Proportional to 104,651.73, 144,420.84 and 56,905.83

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Solution

The fourth proportional to 104,651.73, 144,420.84 and 56,905.83 is: 78,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.73 : 144,420.84 = 56,905.83 : x
  2. Step 2: Convert to fraction form
    104,651.73/144,420.84 = 56,905.83/x
  3. Step 3: Cross multiply
    104,651.73x = 144,420.84 × 56,905.83
  4. Step 4: Simplify right side
    104,651.73x = 8,218,387,769.50
  5. Step 5: Solve for x
    x = 8,218,387,769.50/104,651.73
  6. Step 6: Final answer
    x = 78,530.84

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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.