Home / 45,934.08-68,902.32-12,655.44

Finding the Fourth Proportional to 45,934.08, 68,902.32 and 12,655.44

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Solution

The fourth proportional to 45,934.08, 68,902.32 and 12,655.44 is: 18,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,934.08 : 68,902.32 = 12,655.44 : x
  2. Step 2: Convert to fraction form
    45,934.08/68,902.32 = 12,655.44/x
  3. Step 3: Cross multiply
    45,934.08x = 68,902.32 × 12,655.44
  4. Step 4: Simplify right side
    45,934.08x = 871,989,176.62
  5. Step 5: Solve for x
    x = 871,989,176.62/45,934.08
  6. Step 6: Final answer
    x = 18,983.49

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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.