Home / 67,923.54-101,899.68-20,542.17

Finding the Fourth Proportional to 67,923.54, 101,899.68 and 20,542.17

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Solution

The fourth proportional to 67,923.54, 101,899.68 and 20,542.17 is: 30,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,923.54 : 101,899.68 = 20,542.17 : x
  2. Step 2: Convert to fraction form
    67,923.54/101,899.68 = 20,542.17/x
  3. Step 3: Cross multiply
    67,923.54x = 101,899.68 × 20,542.17
  4. Step 4: Simplify right side
    67,923.54x = 2,093,240,549.51
  5. Step 5: Solve for x
    x = 2,093,240,549.51/67,923.54
  6. Step 6: Final answer
    x = 30,817.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.