Home / 89,738.48-134,629.68-45,364.22

Finding the Fourth Proportional to 89,738.48, 134,629.68 and 45,364.22

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Solution

The fourth proportional to 89,738.48, 134,629.68 and 45,364.22 is: 68,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.48 : 134,629.68 = 45,364.22 : x
  2. Step 2: Convert to fraction form
    89,738.48/134,629.68 = 45,364.22/x
  3. Step 3: Cross multiply
    89,738.48x = 134,629.68 × 45,364.22
  4. Step 4: Simplify right side
    89,738.48x = 6,107,370,422.05
  5. Step 5: Solve for x
    x = 6,107,370,422.05/89,738.48
  6. Step 6: Final answer
    x = 68,057.43

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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.