Home / 70,601.72-97,431.96-38,770.76

Finding the Fourth Proportional to 70,601.72, 97,431.96 and 38,770.76

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Solution

The fourth proportional to 70,601.72, 97,431.96 and 38,770.76 is: 53,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.72 : 97,431.96 = 38,770.76 : x
  2. Step 2: Convert to fraction form
    70,601.72/97,431.96 = 38,770.76/x
  3. Step 3: Cross multiply
    70,601.72x = 97,431.96 × 38,770.76
  4. Step 4: Simplify right side
    70,601.72x = 3,777,511,137.49
  5. Step 5: Solve for x
    x = 3,777,511,137.49/70,601.72
  6. Step 6: Final answer
    x = 53,504.52

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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.