Home / 104,451.60-144,143.37-56,704.98

Finding the Fourth Proportional to 104,451.60, 144,143.37 and 56,704.98

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Solution

The fourth proportional to 104,451.60, 144,143.37 and 56,704.98 is: 78,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,451.60 : 144,143.37 = 56,704.98 : x
  2. Step 2: Convert to fraction form
    104,451.60/144,143.37 = 56,704.98/x
  3. Step 3: Cross multiply
    104,451.60x = 144,143.37 × 56,704.98
  4. Step 4: Simplify right side
    104,451.60x = 8,173,646,912.98
  5. Step 5: Solve for x
    x = 8,173,646,912.98/104,451.60
  6. Step 6: Final answer
    x = 78,252.96

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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.