Home / 45,175.55-67,758.20-11,898.22

Finding the Fourth Proportional to 45,175.55, 67,758.20 and 11,898.22

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Solution

The fourth proportional to 45,175.55, 67,758.20 and 11,898.22 is: 17,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,175.55 : 67,758.20 = 11,898.22 : x
  2. Step 2: Convert to fraction form
    45,175.55/67,758.20 = 11,898.22/x
  3. Step 3: Cross multiply
    45,175.55x = 67,758.20 × 11,898.22
  4. Step 4: Simplify right side
    45,175.55x = 806,201,801.17
  5. Step 5: Solve for x
    x = 806,201,801.17/45,175.55
  6. Step 6: Final answer
    x = 17,845.98

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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.