Home / 45,036.42-67,554.67-11,756.43

Finding the Fourth Proportional to 45,036.42, 67,554.67 and 11,756.43

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Solution

The fourth proportional to 45,036.42, 67,554.67 and 11,756.43 is: 17,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.42 : 67,554.67 = 11,756.43 : x
  2. Step 2: Convert to fraction form
    45,036.42/67,554.67 = 11,756.43/x
  3. Step 3: Cross multiply
    45,036.42x = 67,554.67 × 11,756.43
  4. Step 4: Simplify right side
    45,036.42x = 794,201,719.64
  5. Step 5: Solve for x
    x = 794,201,719.64/45,036.42
  6. Step 6: Final answer
    x = 17,634.65

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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.