Home / 91,087.76-136,635.74-27,903.27

Finding the Fourth Proportional to 91,087.76, 136,635.74 and 27,903.27

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Solution

The fourth proportional to 91,087.76, 136,635.74 and 27,903.27 is: 41,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.76 : 136,635.74 = 27,903.27 : x
  2. Step 2: Convert to fraction form
    91,087.76/136,635.74 = 27,903.27/x
  3. Step 3: Cross multiply
    91,087.76x = 136,635.74 × 27,903.27
  4. Step 4: Simplify right side
    91,087.76x = 3,812,583,944.87
  5. Step 5: Solve for x
    x = 3,812,583,944.87/91,087.76
  6. Step 6: Final answer
    x = 41,856.16

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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.