Home / 103,635.35-155,568.23-64,236.95

Finding the Fourth Proportional to 103,635.35, 155,568.23 and 64,236.95

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Solution

The fourth proportional to 103,635.35, 155,568.23 and 64,236.95 is: 96,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.35 : 155,568.23 = 64,236.95 : x
  2. Step 2: Convert to fraction form
    103,635.35/155,568.23 = 64,236.95/x
  3. Step 3: Cross multiply
    103,635.35x = 155,568.23 × 64,236.95
  4. Step 4: Simplify right side
    103,635.35x = 9,993,228,612.10
  5. Step 5: Solve for x
    x = 9,993,228,612.10/103,635.35
  6. Step 6: Final answer
    x = 96,426.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.