Home / 71,343.30-98,453.46-41,128.40

Finding the Fourth Proportional to 71,343.30, 98,453.46 and 41,128.40

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Solution

The fourth proportional to 71,343.30, 98,453.46 and 41,128.40 is: 56,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.30 : 98,453.46 = 41,128.40 : x
  2. Step 2: Convert to fraction form
    71,343.30/98,453.46 = 41,128.40/x
  3. Step 3: Cross multiply
    71,343.30x = 98,453.46 × 41,128.40
  4. Step 4: Simplify right side
    71,343.30x = 4,049,233,284.26
  5. Step 5: Solve for x
    x = 4,049,233,284.26/71,343.30
  6. Step 6: Final answer
    x = 56,757.02

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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.