Home / 75,692.22-104,453.91-42,157.50

Finding the Fourth Proportional to 75,692.22, 104,453.91 and 42,157.50

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Solution

The fourth proportional to 75,692.22, 104,453.91 and 42,157.50 is: 58,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.22 : 104,453.91 = 42,157.50 : x
  2. Step 2: Convert to fraction form
    75,692.22/104,453.91 = 42,157.50/x
  3. Step 3: Cross multiply
    75,692.22x = 104,453.91 × 42,157.50
  4. Step 4: Simplify right side
    75,692.22x = 4,403,515,710.83
  5. Step 5: Solve for x
    x = 4,403,515,710.83/75,692.22
  6. Step 6: Final answer
    x = 58,176.60

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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.