Home / 45,722.70-68,729.85-43,098.30

Finding the Fourth Proportional to 45,722.70, 68,729.85 and 43,098.30

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Solution

The fourth proportional to 45,722.70, 68,729.85 and 43,098.30 is: 64,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,722.70 : 68,729.85 = 43,098.30 : x
  2. Step 2: Convert to fraction form
    45,722.70/68,729.85 = 43,098.30/x
  3. Step 3: Cross multiply
    45,722.70x = 68,729.85 × 43,098.30
  4. Step 4: Simplify right side
    45,722.70x = 2,962,139,694.26
  5. Step 5: Solve for x
    x = 2,962,139,694.26/45,722.70
  6. Step 6: Final answer
    x = 64,784.88

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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.