Home / 123,917.24-171,006.36-67,328.84

Finding the Fourth Proportional to 123,917.24, 171,006.36 and 67,328.84

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Solution

The fourth proportional to 123,917.24, 171,006.36 and 67,328.84 is: 92,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.24 : 171,006.36 = 67,328.84 : x
  2. Step 2: Convert to fraction form
    123,917.24/171,006.36 = 67,328.84/x
  3. Step 3: Cross multiply
    123,917.24x = 171,006.36 × 67,328.84
  4. Step 4: Simplify right side
    123,917.24x = 11,513,659,851.42
  5. Step 5: Solve for x
    x = 11,513,659,851.42/123,917.24
  6. Step 6: Final answer
    x = 92,914.11

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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.