Home / 104,405.41-144,078.15-56,658.43

Finding the Fourth Proportional to 104,405.41, 144,078.15 and 56,658.43

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Solution

The fourth proportional to 104,405.41, 144,078.15 and 56,658.43 is: 78,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.41 : 144,078.15 = 56,658.43 : x
  2. Step 2: Convert to fraction form
    104,405.41/144,078.15 = 56,658.43/x
  3. Step 3: Cross multiply
    104,405.41x = 144,078.15 × 56,658.43
  4. Step 4: Simplify right side
    104,405.41x = 8,163,241,776.30
  5. Step 5: Solve for x
    x = 8,163,241,776.30/104,405.41
  6. Step 6: Final answer
    x = 78,187.92

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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.