Home / 43,204.50-64,806.75-10,372.50

Finding the Fourth Proportional to 43,204.50, 64,806.75 and 10,372.50

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Solution

The fourth proportional to 43,204.50, 64,806.75 and 10,372.50 is: 15,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,204.50 : 64,806.75 = 10,372.50 : x
  2. Step 2: Convert to fraction form
    43,204.50/64,806.75 = 10,372.50/x
  3. Step 3: Cross multiply
    43,204.50x = 64,806.75 × 10,372.50
  4. Step 4: Simplify right side
    43,204.50x = 672,208,014.38
  5. Step 5: Solve for x
    x = 672,208,014.38/43,204.50
  6. Step 6: Final answer
    x = 15,558.75

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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.