Home / 89,626.88-134,523.41-45,284.81

Finding the Fourth Proportional to 89,626.88, 134,523.41 and 45,284.81

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Solution

The fourth proportional to 89,626.88, 134,523.41 and 45,284.81 is: 67,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626.88 : 134,523.41 = 45,284.81 : x
  2. Step 2: Convert to fraction form
    89,626.88/134,523.41 = 45,284.81/x
  3. Step 3: Cross multiply
    89,626.88x = 134,523.41 × 45,284.81
  4. Step 4: Simplify right side
    89,626.88x = 6,091,866,163.36
  5. Step 5: Solve for x
    x = 6,091,866,163.36/89,626.88
  6. Step 6: Final answer
    x = 67,969.19

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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.