Home / 70,230.85-96,918.56-38,399.74

Finding the Fourth Proportional to 70,230.85, 96,918.56 and 38,399.74

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Solution

The fourth proportional to 70,230.85, 96,918.56 and 38,399.74 is: 52,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.85 : 96,918.56 = 38,399.74 : x
  2. Step 2: Convert to fraction form
    70,230.85/96,918.56 = 38,399.74/x
  3. Step 3: Cross multiply
    70,230.85x = 96,918.56 × 38,399.74
  4. Step 4: Simplify right side
    70,230.85x = 3,721,647,214.88
  5. Step 5: Solve for x
    x = 3,721,647,214.88/70,230.85
  6. Step 6: Final answer
    x = 52,991.63

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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.