Home / 40,090.49-60,135.10-13,795.46

Finding the Fourth Proportional to 40,090.49, 60,135.10 and 13,795.46

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Solution

The fourth proportional to 40,090.49, 60,135.10 and 13,795.46 is: 20,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.49 : 60,135.10 = 13,795.46 : x
  2. Step 2: Convert to fraction form
    40,090.49/60,135.10 = 13,795.46/x
  3. Step 3: Cross multiply
    40,090.49x = 60,135.10 × 13,795.46
  4. Step 4: Simplify right side
    40,090.49x = 829,591,031.48
  5. Step 5: Solve for x
    x = 829,591,031.48/40,090.49
  6. Step 6: Final answer
    x = 20,692.97

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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.