Home / 45,621.03-68,433.43-15,655.86

Finding the Fourth Proportional to 45,621.03, 68,433.43 and 15,655.86

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Solution

The fourth proportional to 45,621.03, 68,433.43 and 15,655.86 is: 23,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.03 : 68,433.43 = 15,655.86 : x
  2. Step 2: Convert to fraction form
    45,621.03/68,433.43 = 15,655.86/x
  3. Step 3: Cross multiply
    45,621.03x = 68,433.43 × 15,655.86
  4. Step 4: Simplify right side
    45,621.03x = 1,071,384,121.12
  5. Step 5: Solve for x
    x = 1,071,384,121.12/45,621.03
  6. Step 6: Final answer
    x = 23,484.44

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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.