Home / 123,917.16-171,007.30-67,328.04

Finding the Fourth Proportional to 123,917.16, 171,007.30 and 67,328.04

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Solution

The fourth proportional to 123,917.16, 171,007.30 and 67,328.04 is: 92,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.16 : 171,007.30 = 67,328.04 : x
  2. Step 2: Convert to fraction form
    123,917.16/171,007.30 = 67,328.04/x
  3. Step 3: Cross multiply
    123,917.16x = 171,007.30 × 67,328.04
  4. Step 4: Simplify right side
    123,917.16x = 11,513,586,334.69
  5. Step 5: Solve for x
    x = 11,513,586,334.69/123,917.16
  6. Step 6: Final answer
    x = 92,913.57

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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.