Home / 71,320.51-106,997.65-23,288.88

Finding the Fourth Proportional to 71,320.51, 106,997.65 and 23,288.88

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Solution

The fourth proportional to 71,320.51, 106,997.65 and 23,288.88 is: 34,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,320.51 : 106,997.65 = 23,288.88 : x
  2. Step 2: Convert to fraction form
    71,320.51/106,997.65 = 23,288.88/x
  3. Step 3: Cross multiply
    71,320.51x = 106,997.65 × 23,288.88
  4. Step 4: Simplify right side
    71,320.51x = 2,491,855,431.13
  5. Step 5: Solve for x
    x = 2,491,855,431.13/71,320.51
  6. Step 6: Final answer
    x = 34,938.83

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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.