Home / 49,409.17-74,103.90-17,818.36

Finding the Fourth Proportional to 49,409.17, 74,103.90 and 17,818.36

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Solution

The fourth proportional to 49,409.17, 74,103.90 and 17,818.36 is: 26,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.17 : 74,103.90 = 17,818.36 : x
  2. Step 2: Convert to fraction form
    49,409.17/74,103.90 = 17,818.36/x
  3. Step 3: Cross multiply
    49,409.17x = 74,103.90 × 17,818.36
  4. Step 4: Simplify right side
    49,409.17x = 1,320,409,967.60
  5. Step 5: Solve for x
    x = 1,320,409,967.60/49,409.17
  6. Step 6: Final answer
    x = 26,723.99

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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.