Home / 43,324.03-64,986.05-12,158.47

Finding the Fourth Proportional to 43,324.03, 64,986.05 and 12,158.47

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Solution

The fourth proportional to 43,324.03, 64,986.05 and 12,158.47 is: 18,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.03 : 64,986.05 = 12,158.47 : x
  2. Step 2: Convert to fraction form
    43,324.03/64,986.05 = 12,158.47/x
  3. Step 3: Cross multiply
    43,324.03x = 64,986.05 × 12,158.47
  4. Step 4: Simplify right side
    43,324.03x = 790,130,939.34
  5. Step 5: Solve for x
    x = 790,130,939.34/43,324.03
  6. Step 6: Final answer
    x = 18,237.71

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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.