Home / 45,142.00-67,655.05-17,028.57

Finding the Fourth Proportional to 45,142.00, 67,655.05 and 17,028.57

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Solution

The fourth proportional to 45,142.00, 67,655.05 and 17,028.57 is: 25,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,142.00 : 67,655.05 = 17,028.57 : x
  2. Step 2: Convert to fraction form
    45,142.00/67,655.05 = 17,028.57/x
  3. Step 3: Cross multiply
    45,142.00x = 67,655.05 × 17,028.57
  4. Step 4: Simplify right side
    45,142.00x = 1,152,068,712.21
  5. Step 5: Solve for x
    x = 1,152,068,712.21/45,142.00
  6. Step 6: Final answer
    x = 25,521.00

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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.