Home / 71,731.40-98,948.88-43,043.44

Finding the Fourth Proportional to 71,731.40, 98,948.88 and 43,043.44

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Solution

The fourth proportional to 71,731.40, 98,948.88 and 43,043.44 is: 59,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,731.40 : 98,948.88 = 43,043.44 : x
  2. Step 2: Convert to fraction form
    71,731.40/98,948.88 = 43,043.44/x
  3. Step 3: Cross multiply
    71,731.40x = 98,948.88 × 43,043.44
  4. Step 4: Simplify right side
    71,731.40x = 4,259,100,179.35
  5. Step 5: Solve for x
    x = 4,259,100,179.35/71,731.40
  6. Step 6: Final answer
    x = 59,375.67

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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.