Home / 70,387.03-97,101.61-40,561.75

Finding the Fourth Proportional to 70,387.03, 97,101.61 and 40,561.75

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Solution

The fourth proportional to 70,387.03, 97,101.61 and 40,561.75 is: 55,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387.03 : 97,101.61 = 40,561.75 : x
  2. Step 2: Convert to fraction form
    70,387.03/97,101.61 = 40,561.75/x
  3. Step 3: Cross multiply
    70,387.03x = 97,101.61 × 40,561.75
  4. Step 4: Simplify right side
    70,387.03x = 3,938,611,229.42
  5. Step 5: Solve for x
    x = 3,938,611,229.42/70,387.03
  6. Step 6: Final answer
    x = 55,956.49

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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.