Home / 48,835.60-73,253.40-42,809.20

Finding the Fourth Proportional to 48,835.60, 73,253.40 and 42,809.20

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Solution

The fourth proportional to 48,835.60, 73,253.40 and 42,809.20 is: 64,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.60 : 73,253.40 = 42,809.20 : x
  2. Step 2: Convert to fraction form
    48,835.60/73,253.40 = 42,809.20/x
  3. Step 3: Cross multiply
    48,835.60x = 73,253.40 × 42,809.20
  4. Step 4: Simplify right side
    48,835.60x = 3,135,919,451.28
  5. Step 5: Solve for x
    x = 3,135,919,451.28/48,835.60
  6. Step 6: Final answer
    x = 64,213.80

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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.