Home / 45,828.06-68,742.18-12,548.46

Finding the Fourth Proportional to 45,828.06, 68,742.18 and 12,548.46

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Solution

The fourth proportional to 45,828.06, 68,742.18 and 12,548.46 is: 18,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,828.06 : 68,742.18 = 12,548.46 : x
  2. Step 2: Convert to fraction form
    45,828.06/68,742.18 = 12,548.46/x
  3. Step 3: Cross multiply
    45,828.06x = 68,742.18 × 12,548.46
  4. Step 4: Simplify right side
    45,828.06x = 862,608,496.04
  5. Step 5: Solve for x
    x = 862,608,496.04/45,828.06
  6. Step 6: Final answer
    x = 18,822.71

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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.