Home / 104,651.13-144,418.23-56,904.60

Finding the Fourth Proportional to 104,651.13, 144,418.23 and 56,904.60

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Solution

The fourth proportional to 104,651.13, 144,418.23 and 56,904.60 is: 78,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.13 : 144,418.23 = 56,904.60 : x
  2. Step 2: Convert to fraction form
    104,651.13/144,418.23 = 56,904.60/x
  3. Step 3: Cross multiply
    104,651.13x = 144,418.23 × 56,904.60
  4. Step 4: Simplify right side
    104,651.13x = 8,218,061,610.86
  5. Step 5: Solve for x
    x = 8,218,061,610.86/104,651.13
  6. Step 6: Final answer
    x = 78,528.17

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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.