Home / 119,544.56-164,972.57-65,829.79

Finding the Fourth Proportional to 119,544.56, 164,972.57 and 65,829.79

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Solution

The fourth proportional to 119,544.56, 164,972.57 and 65,829.79 is: 90,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,544.56 : 164,972.57 = 65,829.79 : x
  2. Step 2: Convert to fraction form
    119,544.56/164,972.57 = 65,829.79/x
  3. Step 3: Cross multiply
    119,544.56x = 164,972.57 × 65,829.79
  4. Step 4: Simplify right side
    119,544.56x = 10,860,109,638.86
  5. Step 5: Solve for x
    x = 10,860,109,638.86/119,544.56
  6. Step 6: Final answer
    x = 90,845.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.