Home / 74,265.64-102,485.18-41,999.70

Finding the Fourth Proportional to 74,265.64, 102,485.18 and 41,999.70

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Solution

The fourth proportional to 74,265.64, 102,485.18 and 41,999.70 is: 57,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.64 : 102,485.18 = 41,999.70 : x
  2. Step 2: Convert to fraction form
    74,265.64/102,485.18 = 41,999.70/x
  3. Step 3: Cross multiply
    74,265.64x = 102,485.18 × 41,999.70
  4. Step 4: Simplify right side
    74,265.64x = 4,304,346,814.45
  5. Step 5: Solve for x
    x = 4,304,346,814.45/74,265.64
  6. Step 6: Final answer
    x = 57,958.79

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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.