Home / 77,270.44-106,630.50-43,735.72

Finding the Fourth Proportional to 77,270.44, 106,630.50 and 43,735.72

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Solution

The fourth proportional to 77,270.44, 106,630.50 and 43,735.72 is: 60,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,270.44 : 106,630.50 = 43,735.72 : x
  2. Step 2: Convert to fraction form
    77,270.44/106,630.50 = 43,735.72/x
  3. Step 3: Cross multiply
    77,270.44x = 106,630.50 × 43,735.72
  4. Step 4: Simplify right side
    77,270.44x = 4,663,561,691.46
  5. Step 5: Solve for x
    x = 4,663,561,691.46/77,270.44
  6. Step 6: Final answer
    x = 60,353.76

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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.