Home / 104,512.54-144,228.06-56,765.90

Finding the Fourth Proportional to 104,512.54, 144,228.06 and 56,765.90

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Solution

The fourth proportional to 104,512.54, 144,228.06 and 56,765.90 is: 78,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.54 : 144,228.06 = 56,765.90 : x
  2. Step 2: Convert to fraction form
    104,512.54/144,228.06 = 56,765.90/x
  3. Step 3: Cross multiply
    104,512.54x = 144,228.06 × 56,765.90
  4. Step 4: Simplify right side
    104,512.54x = 8,187,234,910.01
  5. Step 5: Solve for x
    x = 8,187,234,910.01/104,512.54
  6. Step 6: Final answer
    x = 78,337.35

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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.