Home / 43,123.72-64,681.03-11,536.97

Finding the Fourth Proportional to 43,123.72, 64,681.03 and 11,536.97

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Solution

The fourth proportional to 43,123.72, 64,681.03 and 11,536.97 is: 17,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123.72 : 64,681.03 = 11,536.97 : x
  2. Step 2: Convert to fraction form
    43,123.72/64,681.03 = 11,536.97/x
  3. Step 3: Cross multiply
    43,123.72x = 64,681.03 × 11,536.97
  4. Step 4: Simplify right side
    43,123.72x = 746,223,102.68
  5. Step 5: Solve for x
    x = 746,223,102.68/43,123.72
  6. Step 6: Final answer
    x = 17,304.24

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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.