Home / 45,723.92-68,700.90-29,091.38

Finding the Fourth Proportional to 45,723.92, 68,700.90 and 29,091.38

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Solution

The fourth proportional to 45,723.92, 68,700.90 and 29,091.38 is: 43,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,723.92 : 68,700.90 = 29,091.38 : x
  2. Step 2: Convert to fraction form
    45,723.92/68,700.90 = 29,091.38/x
  3. Step 3: Cross multiply
    45,723.92x = 68,700.90 × 29,091.38
  4. Step 4: Simplify right side
    45,723.92x = 1,998,603,988.24
  5. Step 5: Solve for x
    x = 1,998,603,988.24/45,723.92
  6. Step 6: Final answer
    x = 43,710.25

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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.