Home / 70,712.20-97,575.78-40,504.60

Finding the Fourth Proportional to 70,712.20, 97,575.78 and 40,504.60

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Solution

The fourth proportional to 70,712.20, 97,575.78 and 40,504.60 is: 55,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,712.20 : 97,575.78 = 40,504.60 : x
  2. Step 2: Convert to fraction form
    70,712.20/97,575.78 = 40,504.60/x
  3. Step 3: Cross multiply
    70,712.20x = 97,575.78 × 40,504.60
  4. Step 4: Simplify right side
    70,712.20x = 3,952,267,938.59
  5. Step 5: Solve for x
    x = 3,952,267,938.59/70,712.20
  6. Step 6: Final answer
    x = 55,892.31

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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.