Home / 75,885.04-104,716.76-45,680.14

Finding the Fourth Proportional to 75,885.04, 104,716.76 and 45,680.14

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Solution

The fourth proportional to 75,885.04, 104,716.76 and 45,680.14 is: 63,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,885.04 : 104,716.76 = 45,680.14 : x
  2. Step 2: Convert to fraction form
    75,885.04/104,716.76 = 45,680.14/x
  3. Step 3: Cross multiply
    75,885.04x = 104,716.76 × 45,680.14
  4. Step 4: Simplify right side
    75,885.04x = 4,783,476,257.15
  5. Step 5: Solve for x
    x = 4,783,476,257.15/75,885.04
  6. Step 6: Final answer
    x = 63,035.83

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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.