Home / 70,330.85-97,067.88-40,126.03

Finding the Fourth Proportional to 70,330.85, 97,067.88 and 40,126.03

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Solution

The fourth proportional to 70,330.85, 97,067.88 and 40,126.03 is: 55,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,330.85 : 97,067.88 = 40,126.03 : x
  2. Step 2: Convert to fraction form
    70,330.85/97,067.88 = 40,126.03/x
  3. Step 3: Cross multiply
    70,330.85x = 97,067.88 × 40,126.03
  4. Step 4: Simplify right side
    70,330.85x = 3,894,947,978.95
  5. Step 5: Solve for x
    x = 3,894,947,978.95/70,330.85
  6. Step 6: Final answer
    x = 55,380.36

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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.