Home / 70,974.21-97,946.60-40,765.59

Finding the Fourth Proportional to 70,974.21, 97,946.60 and 40,765.59

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Solution

The fourth proportional to 70,974.21, 97,946.60 and 40,765.59 is: 56,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.21 : 97,946.60 = 40,765.59 : x
  2. Step 2: Convert to fraction form
    70,974.21/97,946.60 = 40,765.59/x
  3. Step 3: Cross multiply
    70,974.21x = 97,946.60 × 40,765.59
  4. Step 4: Simplify right side
    70,974.21x = 3,992,851,330.27
  5. Step 5: Solve for x
    x = 3,992,851,330.27/70,974.21
  6. Step 6: Final answer
    x = 56,257.78

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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.