Home / 68,825.06-94,989.64-40,530.76

Finding the Fourth Proportional to 68,825.06, 94,989.64 and 40,530.76

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Solution

The fourth proportional to 68,825.06, 94,989.64 and 40,530.76 is: 55,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,825.06 : 94,989.64 = 40,530.76 : x
  2. Step 2: Convert to fraction form
    68,825.06/94,989.64 = 40,530.76/x
  3. Step 3: Cross multiply
    68,825.06x = 94,989.64 × 40,530.76
  4. Step 4: Simplify right side
    68,825.06x = 3,850,002,301.33
  5. Step 5: Solve for x
    x = 3,850,002,301.33/68,825.06
  6. Step 6: Final answer
    x = 55,938.96

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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.