Home / 45,621.84-68,419.76-17,539.92

Finding the Fourth Proportional to 45,621.84, 68,419.76 and 17,539.92

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Solution

The fourth proportional to 45,621.84, 68,419.76 and 17,539.92 is: 26,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.84 : 68,419.76 = 17,539.92 : x
  2. Step 2: Convert to fraction form
    45,621.84/68,419.76 = 17,539.92/x
  3. Step 3: Cross multiply
    45,621.84x = 68,419.76 × 17,539.92
  4. Step 4: Simplify right side
    45,621.84x = 1,200,077,116.82
  5. Step 5: Solve for x
    x = 1,200,077,116.82/45,621.84
  6. Step 6: Final answer
    x = 26,304.88

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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.