Home / 89,993.16-135,004.14-45,601.92

Finding the Fourth Proportional to 89,993.16, 135,004.14 and 45,601.92

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Solution

The fourth proportional to 89,993.16, 135,004.14 and 45,601.92 is: 68,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.16 : 135,004.14 = 45,601.92 : x
  2. Step 2: Convert to fraction form
    89,993.16/135,004.14 = 45,601.92/x
  3. Step 3: Cross multiply
    89,993.16x = 135,004.14 × 45,601.92
  4. Step 4: Simplify right side
    89,993.16x = 6,156,447,991.95
  5. Step 5: Solve for x
    x = 6,156,447,991.95/89,993.16
  6. Step 6: Final answer
    x = 68,410.18

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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.