Home / 75,511.50-104,205.87-41,983.98

Finding the Fourth Proportional to 75,511.50, 104,205.87 and 41,983.98

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Solution

The fourth proportional to 75,511.50, 104,205.87 and 41,983.98 is: 57,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,511.50 : 104,205.87 = 41,983.98 : x
  2. Step 2: Convert to fraction form
    75,511.50/104,205.87 = 41,983.98/x
  3. Step 3: Cross multiply
    75,511.50x = 104,205.87 × 41,983.98
  4. Step 4: Simplify right side
    75,511.50x = 4,374,977,161.96
  5. Step 5: Solve for x
    x = 4,374,977,161.96/75,511.50
  6. Step 6: Final answer
    x = 57,937.89

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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.