Home / 71,877.60-99,190.85-41,669.06

Finding the Fourth Proportional to 71,877.60, 99,190.85 and 41,669.06

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Solution

The fourth proportional to 71,877.60, 99,190.85 and 41,669.06 is: 57,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,877.60 : 99,190.85 = 41,669.06 : x
  2. Step 2: Convert to fraction form
    71,877.60/99,190.85 = 41,669.06/x
  3. Step 3: Cross multiply
    71,877.60x = 99,190.85 × 41,669.06
  4. Step 4: Simplify right side
    71,877.60x = 4,133,188,775.80
  5. Step 5: Solve for x
    x = 4,133,188,775.80/71,877.60
  6. Step 6: Final answer
    x = 57,503.16

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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.