Home / 45,820.30-68,708.88-17,753.50

Finding the Fourth Proportional to 45,820.30, 68,708.88 and 17,753.50

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Solution

The fourth proportional to 45,820.30, 68,708.88 and 17,753.50 is: 26,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.30 : 68,708.88 = 17,753.50 : x
  2. Step 2: Convert to fraction form
    45,820.30/68,708.88 = 17,753.50/x
  3. Step 3: Cross multiply
    45,820.30x = 68,708.88 × 17,753.50
  4. Step 4: Simplify right side
    45,820.30x = 1,219,823,101.08
  5. Step 5: Solve for x
    x = 1,219,823,101.08/45,820.30
  6. Step 6: Final answer
    x = 26,621.89

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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.