Home / 107,128.92-160,670.33-43,887.04

Finding the Fourth Proportional to 107,128.92, 160,670.33 and 43,887.04

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Solution

The fourth proportional to 107,128.92, 160,670.33 and 43,887.04 is: 65,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,128.92 : 160,670.33 = 43,887.04 : x
  2. Step 2: Convert to fraction form
    107,128.92/160,670.33 = 43,887.04/x
  3. Step 3: Cross multiply
    107,128.92x = 160,670.33 × 43,887.04
  4. Step 4: Simplify right side
    107,128.92x = 7,051,344,742.99
  5. Step 5: Solve for x
    x = 7,051,344,742.99/107,128.92
  6. Step 6: Final answer
    x = 65,821.11

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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.