Home / 70,202.08-96,884.64-39,996.88

Finding the Fourth Proportional to 70,202.08, 96,884.64 and 39,996.88

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Solution

The fourth proportional to 70,202.08, 96,884.64 and 39,996.88 is: 55,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,202.08 : 96,884.64 = 39,996.88 : x
  2. Step 2: Convert to fraction form
    70,202.08/96,884.64 = 39,996.88/x
  3. Step 3: Cross multiply
    70,202.08x = 96,884.64 × 39,996.88
  4. Step 4: Simplify right side
    70,202.08x = 3,875,083,319.92
  5. Step 5: Solve for x
    x = 3,875,083,319.92/70,202.08
  6. Step 6: Final answer
    x = 55,198.98

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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.