Home / 70,824.28-97,736.76-38,992.54

Finding the Fourth Proportional to 70,824.28, 97,736.76 and 38,992.54

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Solution

The fourth proportional to 70,824.28, 97,736.76 and 38,992.54 is: 53,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,824.28 : 97,736.76 = 38,992.54 : x
  2. Step 2: Convert to fraction form
    70,824.28/97,736.76 = 38,992.54/x
  3. Step 3: Cross multiply
    70,824.28x = 97,736.76 × 38,992.54
  4. Step 4: Simplify right side
    70,824.28x = 3,811,004,523.77
  5. Step 5: Solve for x
    x = 3,811,004,523.77/70,824.28
  6. Step 6: Final answer
    x = 53,809.29

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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.