Home / 45,692.59-68,504.14-31,615.20

Finding the Fourth Proportional to 45,692.59, 68,504.14 and 31,615.20

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Solution

The fourth proportional to 45,692.59, 68,504.14 and 31,615.20 is: 47,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,692.59 : 68,504.14 = 31,615.20 : x
  2. Step 2: Convert to fraction form
    45,692.59/68,504.14 = 31,615.20/x
  3. Step 3: Cross multiply
    45,692.59x = 68,504.14 × 31,615.20
  4. Step 4: Simplify right side
    45,692.59x = 2,165,772,086.93
  5. Step 5: Solve for x
    x = 2,165,772,086.93/45,692.59
  6. Step 6: Final answer
    x = 47,398.76

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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.