Home / 70,103.73-96,739.50-38,266.50

Finding the Fourth Proportional to 70,103.73, 96,739.50 and 38,266.50

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Solution

The fourth proportional to 70,103.73, 96,739.50 and 38,266.50 is: 52,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,103.73 : 96,739.50 = 38,266.50 : x
  2. Step 2: Convert to fraction form
    70,103.73/96,739.50 = 38,266.50/x
  3. Step 3: Cross multiply
    70,103.73x = 96,739.50 × 38,266.50
  4. Step 4: Simplify right side
    70,103.73x = 3,701,882,076.75
  5. Step 5: Solve for x
    x = 3,701,882,076.75/70,103.73
  6. Step 6: Final answer
    x = 52,805.78

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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.