Home / 123,544.46-170,491.65-66,955.82

Finding the Fourth Proportional to 123,544.46, 170,491.65 and 66,955.82

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Solution

The fourth proportional to 123,544.46, 170,491.65 and 66,955.82 is: 92,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,544.46 : 170,491.65 = 66,955.82 : x
  2. Step 2: Convert to fraction form
    123,544.46/170,491.65 = 66,955.82/x
  3. Step 3: Cross multiply
    123,544.46x = 170,491.65 × 66,955.82
  4. Step 4: Simplify right side
    123,544.46x = 11,415,408,228.90
  5. Step 5: Solve for x
    x = 11,415,408,228.90/123,544.46
  6. Step 6: Final answer
    x = 92,399.19

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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.