Home / 123,941.73-171,040.67-67,353.10

Finding the Fourth Proportional to 123,941.73, 171,040.67 and 67,353.10

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Solution

The fourth proportional to 123,941.73, 171,040.67 and 67,353.10 is: 92,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.73 : 171,040.67 = 67,353.10 : x
  2. Step 2: Convert to fraction form
    123,941.73/171,040.67 = 67,353.10/x
  3. Step 3: Cross multiply
    123,941.73x = 171,040.67 × 67,353.10
  4. Step 4: Simplify right side
    123,941.73x = 11,520,119,350.58
  5. Step 5: Solve for x
    x = 11,520,119,350.58/123,941.73
  6. Step 6: Final answer
    x = 92,947.87

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1.5x scale

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.