Home / 45,504.32-68,209.70-17,417.78

Finding the Fourth Proportional to 45,504.32, 68,209.70 and 17,417.78

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Solution

The fourth proportional to 45,504.32, 68,209.70 and 17,417.78 is: 26,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,504.32 : 68,209.70 = 17,417.78 : x
  2. Step 2: Convert to fraction form
    45,504.32/68,209.70 = 17,417.78/x
  3. Step 3: Cross multiply
    45,504.32x = 68,209.70 × 17,417.78
  4. Step 4: Simplify right side
    45,504.32x = 1,188,061,250.96
  5. Step 5: Solve for x
    x = 1,188,061,250.96/45,504.32
  6. Step 6: Final answer
    x = 26,108.76

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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.