Home / 104,709.20-144,500.04-56,963.84

Finding the Fourth Proportional to 104,709.20, 144,500.04 and 56,963.84

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Solution

The fourth proportional to 104,709.20, 144,500.04 and 56,963.84 is: 78,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,709.20 : 144,500.04 = 56,963.84 : x
  2. Step 2: Convert to fraction form
    104,709.20/144,500.04 = 56,963.84/x
  3. Step 3: Cross multiply
    104,709.20x = 144,500.04 × 56,963.84
  4. Step 4: Simplify right side
    104,709.20x = 8,231,277,158.55
  5. Step 5: Solve for x
    x = 8,231,277,158.55/104,709.20
  6. Step 6: Final answer
    x = 78,610.83

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1.5x scale

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.