Home / 68,313.06-94,272.54-38,100.36

Finding the Fourth Proportional to 68,313.06, 94,272.54 and 38,100.36

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Solution

The fourth proportional to 68,313.06, 94,272.54 and 38,100.36 is: 52,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.06 : 94,272.54 = 38,100.36 : x
  2. Step 2: Convert to fraction form
    68,313.06/94,272.54 = 38,100.36/x
  3. Step 3: Cross multiply
    68,313.06x = 94,272.54 × 38,100.36
  4. Step 4: Simplify right side
    68,313.06x = 3,591,817,712.11
  5. Step 5: Solve for x
    x = 3,591,817,712.11/68,313.06
  6. Step 6: Final answer
    x = 52,578.79

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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.