Home / 123,941.13-171,053.33-73,640.13

Finding the Fourth Proportional to 123,941.13, 171,053.33 and 73,640.13

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Solution

The fourth proportional to 123,941.13, 171,053.33 and 73,640.13 is: 101,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.13 : 171,053.33 = 73,640.13 : x
  2. Step 2: Convert to fraction form
    123,941.13/171,053.33 = 73,640.13/x
  3. Step 3: Cross multiply
    123,941.13x = 171,053.33 × 73,640.13
  4. Step 4: Simplify right side
    123,941.13x = 12,596,389,458.13
  5. Step 5: Solve for x
    x = 12,596,389,458.13/123,941.13
  6. Step 6: Final answer
    x = 101,632.04

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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.