Home / 70,736.58-97,614.87-38,904.80

Finding the Fourth Proportional to 70,736.58, 97,614.87 and 38,904.80

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Solution

The fourth proportional to 70,736.58, 97,614.87 and 38,904.80 is: 53,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.58 : 97,614.87 = 38,904.80 : x
  2. Step 2: Convert to fraction form
    70,736.58/97,614.87 = 38,904.80/x
  3. Step 3: Cross multiply
    70,736.58x = 97,614.87 × 38,904.80
  4. Step 4: Simplify right side
    70,736.58x = 3,797,686,506.30
  5. Step 5: Solve for x
    x = 3,797,686,506.30/70,736.58
  6. Step 6: Final answer
    x = 53,687.73

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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.