Home / 45,156.98-67,736.15-17,090.25

Finding the Fourth Proportional to 45,156.98, 67,736.15 and 17,090.25

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Solution

The fourth proportional to 45,156.98, 67,736.15 and 17,090.25 is: 25,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.98 : 67,736.15 = 17,090.25 : x
  2. Step 2: Convert to fraction form
    45,156.98/67,736.15 = 17,090.25/x
  3. Step 3: Cross multiply
    45,156.98x = 67,736.15 × 17,090.25
  4. Step 4: Simplify right side
    45,156.98x = 1,157,627,652.09
  5. Step 5: Solve for x
    x = 1,157,627,652.09/45,156.98
  6. Step 6: Final answer
    x = 25,635.63

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1.5x scale

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.