Home / 70,727.49-97,603.92-38,896.11

Finding the Fourth Proportional to 70,727.49, 97,603.92 and 38,896.11

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Solution

The fourth proportional to 70,727.49, 97,603.92 and 38,896.11 is: 53,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727.49 : 97,603.92 = 38,896.11 : x
  2. Step 2: Convert to fraction form
    70,727.49/97,603.92 = 38,896.11/x
  3. Step 3: Cross multiply
    70,727.49x = 97,603.92 × 38,896.11
  4. Step 4: Simplify right side
    70,727.49x = 3,796,412,808.75
  5. Step 5: Solve for x
    x = 3,796,412,808.75/70,727.49
  6. Step 6: Final answer
    x = 53,676.62

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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.