Home / 48,742.80-67,200-36,591.84

Finding the Fourth Proportional to 48,742.80, 67,200 and 36,591.84

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Solution

The fourth proportional to 48,742.80, 67,200 and 36,591.84 is: 50,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.80 : 67,200 = 36,591.84 : x
  2. Step 2: Convert to fraction form
    48,742.80/67,200 = 36,591.84/x
  3. Step 3: Cross multiply
    48,742.80x = 67,200 × 36,591.84
  4. Step 4: Simplify right side
    48,742.80x = 2,458,971,648
  5. Step 5: Solve for x
    x = 2,458,971,648/48,742.80
  6. Step 6: Final answer
    x = 50,447.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.