Home / 70,022.73-96,631.23-38,191.63

Finding the Fourth Proportional to 70,022.73, 96,631.23 and 38,191.63

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Solution

The fourth proportional to 70,022.73, 96,631.23 and 38,191.63 is: 52,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,022.73 : 96,631.23 = 38,191.63 : x
  2. Step 2: Convert to fraction form
    70,022.73/96,631.23 = 38,191.63/x
  3. Step 3: Cross multiply
    70,022.73x = 96,631.23 × 38,191.63
  4. Step 4: Simplify right side
    70,022.73x = 3,690,503,778.83
  5. Step 5: Solve for x
    x = 3,690,503,778.83/70,022.73
  6. Step 6: Final answer
    x = 52,704.37

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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.