Home / 67,088.45-100,633.53-29,128.97

Finding the Fourth Proportional to 67,088.45, 100,633.53 and 29,128.97

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Solution

The fourth proportional to 67,088.45, 100,633.53 and 29,128.97 is: 43,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,088.45 : 100,633.53 = 29,128.97 : x
  2. Step 2: Convert to fraction form
    67,088.45/100,633.53 = 29,128.97/x
  3. Step 3: Cross multiply
    67,088.45x = 100,633.53 × 29,128.97
  4. Step 4: Simplify right side
    67,088.45x = 2,931,351,076.36
  5. Step 5: Solve for x
    x = 2,931,351,076.36/67,088.45
  6. Step 6: Final answer
    x = 43,693.83

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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.