Home / 73,122.04-100,908.84-39,588.04

Finding the Fourth Proportional to 73,122.04, 100,908.84 and 39,588.04

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Solution

The fourth proportional to 73,122.04, 100,908.84 and 39,588.04 is: 54,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.04 : 100,908.84 = 39,588.04 : x
  2. Step 2: Convert to fraction form
    73,122.04/100,908.84 = 39,588.04/x
  3. Step 3: Cross multiply
    73,122.04x = 100,908.84 × 39,588.04
  4. Step 4: Simplify right side
    73,122.04x = 3,994,783,194.27
  5. Step 5: Solve for x
    x = 3,994,783,194.27/73,122.04
  6. Step 6: Final answer
    x = 54,631.73

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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.