Home / 74,084.11-102,236.33-40,092.59

Finding the Fourth Proportional to 74,084.11, 102,236.33 and 40,092.59

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Solution

The fourth proportional to 74,084.11, 102,236.33 and 40,092.59 is: 55,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084.11 : 102,236.33 = 40,092.59 : x
  2. Step 2: Convert to fraction form
    74,084.11/102,236.33 = 40,092.59/x
  3. Step 3: Cross multiply
    74,084.11x = 102,236.33 × 40,092.59
  4. Step 4: Simplify right side
    74,084.11x = 4,098,918,550.15
  5. Step 5: Solve for x
    x = 4,098,918,550.15/74,084.11
  6. Step 6: Final answer
    x = 55,327.91

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1.5x scale

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.