Home / 42,824.46-64,236.96-11,659.98

Finding the Fourth Proportional to 42,824.46, 64,236.96 and 11,659.98

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Solution

The fourth proportional to 42,824.46, 64,236.96 and 11,659.98 is: 17,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.46 : 64,236.96 = 11,659.98 : x
  2. Step 2: Convert to fraction form
    42,824.46/64,236.96 = 11,659.98/x
  3. Step 3: Cross multiply
    42,824.46x = 64,236.96 × 11,659.98
  4. Step 4: Simplify right side
    42,824.46x = 749,001,668.86
  5. Step 5: Solve for x
    x = 749,001,668.86/42,824.46
  6. Step 6: Final answer
    x = 17,490.04

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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.