Home / 45,409.72-62,629.90-29,499.28

Finding the Fourth Proportional to 45,409.72, 62,629.90 and 29,499.28

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Solution

The fourth proportional to 45,409.72, 62,629.90 and 29,499.28 is: 40,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409.72 : 62,629.90 = 29,499.28 : x
  2. Step 2: Convert to fraction form
    45,409.72/62,629.90 = 29,499.28/x
  3. Step 3: Cross multiply
    45,409.72x = 62,629.90 × 29,499.28
  4. Step 4: Simplify right side
    45,409.72x = 1,847,536,956.47
  5. Step 5: Solve for x
    x = 1,847,536,956.47/45,409.72
  6. Step 6: Final answer
    x = 40,685.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.