Home / 100,421.67-150,632.46-38,092.17

Finding the Fourth Proportional to 100,421.67, 150,632.46 and 38,092.17

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Solution

The fourth proportional to 100,421.67, 150,632.46 and 38,092.17 is: 57,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,421.67 : 150,632.46 = 38,092.17 : x
  2. Step 2: Convert to fraction form
    100,421.67/150,632.46 = 38,092.17/x
  3. Step 3: Cross multiply
    100,421.67x = 150,632.46 × 38,092.17
  4. Step 4: Simplify right side
    100,421.67x = 5,737,917,273.84
  5. Step 5: Solve for x
    x = 5,737,917,273.84/100,421.67
  6. Step 6: Final answer
    x = 57,138.24

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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.