Home / 45,665.50-68,518.77-29,021.22

Finding the Fourth Proportional to 45,665.50, 68,518.77 and 29,021.22

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Solution

The fourth proportional to 45,665.50, 68,518.77 and 29,021.22 is: 43,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.50 : 68,518.77 = 29,021.22 : x
  2. Step 2: Convert to fraction form
    45,665.50/68,518.77 = 29,021.22/x
  3. Step 3: Cross multiply
    45,665.50x = 68,518.77 × 29,021.22
  4. Step 4: Simplify right side
    45,665.50x = 1,988,498,298.30
  5. Step 5: Solve for x
    x = 1,988,498,298.30/45,665.50
  6. Step 6: Final answer
    x = 43,544.87

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1.5x scale

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.