Home / 104,406.30-144,079.97-56,660.04

Finding the Fourth Proportional to 104,406.30, 144,079.97 and 56,660.04

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Solution

The fourth proportional to 104,406.30, 144,079.97 and 56,660.04 is: 78,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.30 : 144,079.97 = 56,660.04 : x
  2. Step 2: Convert to fraction form
    104,406.30/144,079.97 = 56,660.04/x
  3. Step 3: Cross multiply
    104,406.30x = 144,079.97 × 56,660.04
  4. Step 4: Simplify right side
    104,406.30x = 8,163,576,580.10
  5. Step 5: Solve for x
    x = 8,163,576,580.10/104,406.30
  6. Step 6: Final answer
    x = 78,190.46

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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.