Home / 107,126.55-160,744.50-43,995.15

Finding the Fourth Proportional to 107,126.55, 160,744.50 and 43,995.15

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Solution

The fourth proportional to 107,126.55, 160,744.50 and 43,995.15 is: 66,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,126.55 : 160,744.50 = 43,995.15 : x
  2. Step 2: Convert to fraction form
    107,126.55/160,744.50 = 43,995.15/x
  3. Step 3: Cross multiply
    107,126.55x = 160,744.50 × 43,995.15
  4. Step 4: Simplify right side
    107,126.55x = 7,071,978,389.18
  5. Step 5: Solve for x
    x = 7,071,978,389.18/107,126.55
  6. Step 6: Final answer
    x = 66,015.18

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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.