Home / 70,213.98-96,896.82-38,382.86

Finding the Fourth Proportional to 70,213.98, 96,896.82 and 38,382.86

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Solution

The fourth proportional to 70,213.98, 96,896.82 and 38,382.86 is: 52,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.98 : 96,896.82 = 38,382.86 : x
  2. Step 2: Convert to fraction form
    70,213.98/96,896.82 = 38,382.86/x
  3. Step 3: Cross multiply
    70,213.98x = 96,896.82 × 38,382.86
  4. Step 4: Simplify right side
    70,213.98x = 3,719,177,076.51
  5. Step 5: Solve for x
    x = 3,719,177,076.51/70,213.98
  6. Step 6: Final answer
    x = 52,969.18

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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.