Home / 74,207.60-111,384.30-36,809.90

Finding the Fourth Proportional to 74,207.60, 111,384.30 and 36,809.90

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Solution

The fourth proportional to 74,207.60, 111,384.30 and 36,809.90 is: 55,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.60 : 111,384.30 = 36,809.90 : x
  2. Step 2: Convert to fraction form
    74,207.60/111,384.30 = 36,809.90/x
  3. Step 3: Cross multiply
    74,207.60x = 111,384.30 × 36,809.90
  4. Step 4: Simplify right side
    74,207.60x = 4,100,044,944.57
  5. Step 5: Solve for x
    x = 4,100,044,944.57/74,207.60
  6. Step 6: Final answer
    x = 55,251.01

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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.