Home / 74,299.60-111,522.30-36,901.90

Finding the Fourth Proportional to 74,299.60, 111,522.30 and 36,901.90

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Solution

The fourth proportional to 74,299.60, 111,522.30 and 36,901.90 is: 55,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,299.60 : 111,522.30 = 36,901.90 : x
  2. Step 2: Convert to fraction form
    74,299.60/111,522.30 = 36,901.90/x
  3. Step 3: Cross multiply
    74,299.60x = 111,522.30 × 36,901.90
  4. Step 4: Simplify right side
    74,299.60x = 4,115,384,762.37
  5. Step 5: Solve for x
    x = 4,115,384,762.37/74,299.60
  6. Step 6: Final answer
    x = 55,389.06

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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.