Home / 74,542.40-102,871.20-41,009.60

Finding the Fourth Proportional to 74,542.40, 102,871.20 and 41,009.60

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Solution

The fourth proportional to 74,542.40, 102,871.20 and 41,009.60 is: 56,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.40 : 102,871.20 = 41,009.60 : x
  2. Step 2: Convert to fraction form
    74,542.40/102,871.20 = 41,009.60/x
  3. Step 3: Cross multiply
    74,542.40x = 102,871.20 × 41,009.60
  4. Step 4: Simplify right side
    74,542.40x = 4,218,706,763.52
  5. Step 5: Solve for x
    x = 4,218,706,763.52/74,542.40
  6. Step 6: Final answer
    x = 56,594.73

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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.