Home / 123,801.03-170,844.94-67,212.39

Finding the Fourth Proportional to 123,801.03, 170,844.94 and 67,212.39

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Solution

The fourth proportional to 123,801.03, 170,844.94 and 67,212.39 is: 92,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.03 : 170,844.94 = 67,212.39 : x
  2. Step 2: Convert to fraction form
    123,801.03/170,844.94 = 67,212.39/x
  3. Step 3: Cross multiply
    123,801.03x = 170,844.94 × 67,212.39
  4. Step 4: Simplify right side
    123,801.03x = 11,482,896,736.81
  5. Step 5: Solve for x
    x = 11,482,896,736.81/123,801.03
  6. Step 6: Final answer
    x = 92,752.84

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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.