Home / 48,834.60-73,251.90-42,808.20

Finding the Fourth Proportional to 48,834.60, 73,251.90 and 42,808.20

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Solution

The fourth proportional to 48,834.60, 73,251.90 and 42,808.20 is: 64,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,834.60 : 73,251.90 = 42,808.20 : x
  2. Step 2: Convert to fraction form
    48,834.60/73,251.90 = 42,808.20/x
  3. Step 3: Cross multiply
    48,834.60x = 73,251.90 × 42,808.20
  4. Step 4: Simplify right side
    48,834.60x = 3,135,781,985.58
  5. Step 5: Solve for x
    x = 3,135,781,985.58/48,834.60
  6. Step 6: Final answer
    x = 64,212.30

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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.