Home / 74,539.89-111,861.68-48,179.25

Finding the Fourth Proportional to 74,539.89, 111,861.68 and 48,179.25

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Solution

The fourth proportional to 74,539.89, 111,861.68 and 48,179.25 is: 72,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.89 : 111,861.68 = 48,179.25 : x
  2. Step 2: Convert to fraction form
    74,539.89/111,861.68 = 48,179.25/x
  3. Step 3: Cross multiply
    74,539.89x = 111,861.68 × 48,179.25
  4. Step 4: Simplify right side
    74,539.89x = 5,389,411,605.24
  5. Step 5: Solve for x
    x = 5,389,411,605.24/74,539.89
  6. Step 6: Final answer
    x = 72,302.38

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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.