Home / 64,308.20-96,692.70-54,170.60

Finding the Fourth Proportional to 64,308.20, 96,692.70 and 54,170.60

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Solution

The fourth proportional to 64,308.20, 96,692.70 and 54,170.60 is: 81,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308.20 : 96,692.70 = 54,170.60 : x
  2. Step 2: Convert to fraction form
    64,308.20/96,692.70 = 54,170.60/x
  3. Step 3: Cross multiply
    64,308.20x = 96,692.70 × 54,170.60
  4. Step 4: Simplify right side
    64,308.20x = 5,237,901,574.62
  5. Step 5: Solve for x
    x = 5,237,901,574.62/64,308.20
  6. Step 6: Final answer
    x = 81,449.98

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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.