Home / 106,090.04-159,110.42-31,190.15

Finding the Fourth Proportional to 106,090.04, 159,110.42 and 31,190.15

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Solution

The fourth proportional to 106,090.04, 159,110.42 and 31,190.15 is: 46,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,090.04 : 159,110.42 = 31,190.15 : x
  2. Step 2: Convert to fraction form
    106,090.04/159,110.42 = 31,190.15/x
  3. Step 3: Cross multiply
    106,090.04x = 159,110.42 × 31,190.15
  4. Step 4: Simplify right side
    106,090.04x = 4,962,676,914.86
  5. Step 5: Solve for x
    x = 4,962,676,914.86/106,090.04
  6. Step 6: Final answer
    x = 46,777.97

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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.