Home / 106,128.09-159,188.49-36,008.01

Finding the Fourth Proportional to 106,128.09, 159,188.49 and 36,008.01

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Solution

The fourth proportional to 106,128.09, 159,188.49 and 36,008.01 is: 54,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,128.09 : 159,188.49 = 36,008.01 : x
  2. Step 2: Convert to fraction form
    106,128.09/159,188.49 = 36,008.01/x
  3. Step 3: Cross multiply
    106,128.09x = 159,188.49 × 36,008.01
  4. Step 4: Simplify right side
    106,128.09x = 5,732,060,739.80
  5. Step 5: Solve for x
    x = 5,732,060,739.80/106,128.09
  6. Step 6: Final answer
    x = 54,010.78

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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.