Home / 116,072.20-174,140.70-56,909.80

Finding the Fourth Proportional to 116,072.20, 174,140.70 and 56,909.80

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Solution

The fourth proportional to 116,072.20, 174,140.70 and 56,909.80 is: 85,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,072.20 : 174,140.70 = 56,909.80 : x
  2. Step 2: Convert to fraction form
    116,072.20/174,140.70 = 56,909.80/x
  3. Step 3: Cross multiply
    116,072.20x = 174,140.70 × 56,909.80
  4. Step 4: Simplify right side
    116,072.20x = 9,910,312,408.86
  5. Step 5: Solve for x
    x = 9,910,312,408.86/116,072.20
  6. Step 6: Final answer
    x = 85,380.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.