Home / 77,481.11-106,915.72-43,493.34

Finding the Fourth Proportional to 77,481.11, 106,915.72 and 43,493.34

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Solution

The fourth proportional to 77,481.11, 106,915.72 and 43,493.34 is: 60,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,481.11 : 106,915.72 = 43,493.34 : x
  2. Step 2: Convert to fraction form
    77,481.11/106,915.72 = 43,493.34/x
  3. Step 3: Cross multiply
    77,481.11x = 106,915.72 × 43,493.34
  4. Step 4: Simplify right side
    77,481.11x = 4,650,121,652.57
  5. Step 5: Solve for x
    x = 4,650,121,652.57/77,481.11
  6. Step 6: Final answer
    x = 60,016.20

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1.5x scale

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.