Home / 73,320.12-101,181.94-39,786.12

Finding the Fourth Proportional to 73,320.12, 101,181.94 and 39,786.12

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Solution

The fourth proportional to 73,320.12, 101,181.94 and 39,786.12 is: 54,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.12 : 101,181.94 = 39,786.12 : x
  2. Step 2: Convert to fraction form
    73,320.12/101,181.94 = 39,786.12/x
  3. Step 3: Cross multiply
    73,320.12x = 101,181.94 × 39,786.12
  4. Step 4: Simplify right side
    73,320.12x = 4,025,636,806.67
  5. Step 5: Solve for x
    x = 4,025,636,806.67/73,320.12
  6. Step 6: Final answer
    x = 54,904.94

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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.