Home / 68,631.56-94,712.82-38,823.56

Finding the Fourth Proportional to 68,631.56, 94,712.82 and 38,823.56

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Solution

The fourth proportional to 68,631.56, 94,712.82 and 38,823.56 is: 53,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,631.56 : 94,712.82 = 38,823.56 : x
  2. Step 2: Convert to fraction form
    68,631.56/94,712.82 = 38,823.56/x
  3. Step 3: Cross multiply
    68,631.56x = 94,712.82 × 38,823.56
  4. Step 4: Simplify right side
    68,631.56x = 3,677,088,850.04
  5. Step 5: Solve for x
    x = 3,677,088,850.04/68,631.56
  6. Step 6: Final answer
    x = 53,577.23

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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.