Home / 89,983.44-134,991.54-45,028.26

Finding the Fourth Proportional to 89,983.44, 134,991.54 and 45,028.26

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Solution

The fourth proportional to 89,983.44, 134,991.54 and 45,028.26 is: 67,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.44 : 134,991.54 = 45,028.26 : x
  2. Step 2: Convert to fraction form
    89,983.44/134,991.54 = 45,028.26/x
  3. Step 3: Cross multiply
    89,983.44x = 134,991.54 × 45,028.26
  4. Step 4: Simplify right side
    89,983.44x = 6,078,434,160.92
  5. Step 5: Solve for x
    x = 6,078,434,160.92/89,983.44
  6. Step 6: Final answer
    x = 67,550.59

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1.5x scale

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.