Home / 74,228.10-111,358.62-36,808.54

Finding the Fourth Proportional to 74,228.10, 111,358.62 and 36,808.54

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Solution

The fourth proportional to 74,228.10, 111,358.62 and 36,808.54 is: 55,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.10 : 111,358.62 = 36,808.54 : x
  2. Step 2: Convert to fraction form
    74,228.10/111,358.62 = 36,808.54/x
  3. Step 3: Cross multiply
    74,228.10x = 111,358.62 × 36,808.54
  4. Step 4: Simplify right side
    74,228.10x = 4,098,948,218.61
  5. Step 5: Solve for x
    x = 4,098,948,218.61/74,228.10
  6. Step 6: Final answer
    x = 55,220.98

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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.