Home / 45,078.30-67,621.08-15,496.14

Finding the Fourth Proportional to 45,078.30, 67,621.08 and 15,496.14

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Solution

The fourth proportional to 45,078.30, 67,621.08 and 15,496.14 is: 23,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.30 : 67,621.08 = 15,496.14 : x
  2. Step 2: Convert to fraction form
    45,078.30/67,621.08 = 15,496.14/x
  3. Step 3: Cross multiply
    45,078.30x = 67,621.08 × 15,496.14
  4. Step 4: Simplify right side
    45,078.30x = 1,047,865,722.63
  5. Step 5: Solve for x
    x = 1,047,865,722.63/45,078.30
  6. Step 6: Final answer
    x = 23,245.46

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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.