Home / 70,213.08-96,896.16-38,383.68

Finding the Fourth Proportional to 70,213.08, 96,896.16 and 38,383.68

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Solution

The fourth proportional to 70,213.08, 96,896.16 and 38,383.68 is: 52,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.08 : 96,896.16 = 38,383.68 : x
  2. Step 2: Convert to fraction form
    70,213.08/96,896.16 = 38,383.68/x
  3. Step 3: Cross multiply
    70,213.08x = 96,896.16 × 38,383.68
  4. Step 4: Simplify right side
    70,213.08x = 3,719,231,198.67
  5. Step 5: Solve for x
    x = 3,719,231,198.67/70,213.08
  6. Step 6: Final answer
    x = 52,970.63

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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.