Home / 119,955.42-180,049.77-57,669.66

Finding the Fourth Proportional to 119,955.42, 180,049.77 and 57,669.66

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Solution

The fourth proportional to 119,955.42, 180,049.77 and 57,669.66 is: 86,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955.42 : 180,049.77 = 57,669.66 : x
  2. Step 2: Convert to fraction form
    119,955.42/180,049.77 = 57,669.66/x
  3. Step 3: Cross multiply
    119,955.42x = 180,049.77 × 57,669.66
  4. Step 4: Simplify right side
    119,955.42x = 10,383,409,018.98
  5. Step 5: Solve for x
    x = 10,383,409,018.98/119,955.42
  6. Step 6: Final answer
    x = 86,560.57

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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.