Home / 74,208.88-102,372.60-48,705.04

Finding the Fourth Proportional to 74,208.88, 102,372.60 and 48,705.04

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Solution

The fourth proportional to 74,208.88, 102,372.60 and 48,705.04 is: 67,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.88 : 102,372.60 = 48,705.04 : x
  2. Step 2: Convert to fraction form
    74,208.88/102,372.60 = 48,705.04/x
  3. Step 3: Cross multiply
    74,208.88x = 102,372.60 × 48,705.04
  4. Step 4: Simplify right side
    74,208.88x = 4,986,061,577.90
  5. Step 5: Solve for x
    x = 4,986,061,577.90/74,208.88
  6. Step 6: Final answer
    x = 67,189.55

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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.