Home / 104,734.30-144,530.49-56,986.63

Finding the Fourth Proportional to 104,734.30, 144,530.49 and 56,986.63

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Solution

The fourth proportional to 104,734.30, 144,530.49 and 56,986.63 is: 78,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,734.30 : 144,530.49 = 56,986.63 : x
  2. Step 2: Convert to fraction form
    104,734.30/144,530.49 = 56,986.63/x
  3. Step 3: Cross multiply
    104,734.30x = 144,530.49 × 56,986.63
  4. Step 4: Simplify right side
    104,734.30x = 8,236,305,557.35
  5. Step 5: Solve for x
    x = 8,236,305,557.35/104,734.30
  6. Step 6: Final answer
    x = 78,640.00

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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.