Home / 45,885.42-68,853.20-17,806.58

Finding the Fourth Proportional to 45,885.42, 68,853.20 and 17,806.58

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Solution

The fourth proportional to 45,885.42, 68,853.20 and 17,806.58 is: 26,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.42 : 68,853.20 = 17,806.58 : x
  2. Step 2: Convert to fraction form
    45,885.42/68,853.20 = 17,806.58/x
  3. Step 3: Cross multiply
    45,885.42x = 68,853.20 × 17,806.58
  4. Step 4: Simplify right side
    45,885.42x = 1,226,039,580.76
  5. Step 5: Solve for x
    x = 1,226,039,580.76/45,885.42
  6. Step 6: Final answer
    x = 26,719.59

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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.