Home / 88,918.60-133,334.70-49,433.80

Finding the Fourth Proportional to 88,918.60, 133,334.70 and 49,433.80

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Solution

The fourth proportional to 88,918.60, 133,334.70 and 49,433.80 is: 74,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918.60 : 133,334.70 = 49,433.80 : x
  2. Step 2: Convert to fraction form
    88,918.60/133,334.70 = 49,433.80/x
  3. Step 3: Cross multiply
    88,918.60x = 133,334.70 × 49,433.80
  4. Step 4: Simplify right side
    88,918.60x = 6,591,240,892.86
  5. Step 5: Solve for x
    x = 6,591,240,892.86/88,918.60
  6. Step 6: Final answer
    x = 74,126.68

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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.