Home / 68,836.77-94,999.64-38,624.99

Finding the Fourth Proportional to 68,836.77, 94,999.64 and 38,624.99

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Solution

The fourth proportional to 68,836.77, 94,999.64 and 38,624.99 is: 53,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.77 : 94,999.64 = 38,624.99 : x
  2. Step 2: Convert to fraction form
    68,836.77/94,999.64 = 38,624.99/x
  3. Step 3: Cross multiply
    68,836.77x = 94,999.64 × 38,624.99
  4. Step 4: Simplify right side
    68,836.77x = 3,669,359,476.88
  5. Step 5: Solve for x
    x = 3,669,359,476.88/68,836.77
  6. Step 6: Final answer
    x = 53,305.22

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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.