Home / 43,135.17-64,711.52-18,175.23

Finding the Fourth Proportional to 43,135.17, 64,711.52 and 18,175.23

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Solution

The fourth proportional to 43,135.17, 64,711.52 and 18,175.23 is: 27,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.17 : 64,711.52 = 18,175.23 : x
  2. Step 2: Convert to fraction form
    43,135.17/64,711.52 = 18,175.23/x
  3. Step 3: Cross multiply
    43,135.17x = 64,711.52 × 18,175.23
  4. Step 4: Simplify right side
    43,135.17x = 1,176,146,668.77
  5. Step 5: Solve for x
    x = 1,176,146,668.77/43,135.17
  6. Step 6: Final answer
    x = 27,266.54

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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.