Home / 43,266.29-64,896.36-11,678.15

Finding the Fourth Proportional to 43,266.29, 64,896.36 and 11,678.15

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Solution

The fourth proportional to 43,266.29, 64,896.36 and 11,678.15 is: 17,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.29 : 64,896.36 = 11,678.15 : x
  2. Step 2: Convert to fraction form
    43,266.29/64,896.36 = 11,678.15/x
  3. Step 3: Cross multiply
    43,266.29x = 64,896.36 × 11,678.15
  4. Step 4: Simplify right side
    43,266.29x = 757,869,426.53
  5. Step 5: Solve for x
    x = 757,869,426.53/43,266.29
  6. Step 6: Final answer
    x = 17,516.40

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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.