Home / 70,249.34-96,942.75-38,418.14

Finding the Fourth Proportional to 70,249.34, 96,942.75 and 38,418.14

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Solution

The fourth proportional to 70,249.34, 96,942.75 and 38,418.14 is: 53,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,249.34 : 96,942.75 = 38,418.14 : x
  2. Step 2: Convert to fraction form
    70,249.34/96,942.75 = 38,418.14/x
  3. Step 3: Cross multiply
    70,249.34x = 96,942.75 × 38,418.14
  4. Step 4: Simplify right side
    70,249.34x = 3,724,360,141.49
  5. Step 5: Solve for x
    x = 3,724,360,141.49/70,249.34
  6. Step 6: Final answer
    x = 53,016.30

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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.