Home / 89,771.97-134,709.39-45,402.33

Finding the Fourth Proportional to 89,771.97, 134,709.39 and 45,402.33

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Solution

The fourth proportional to 89,771.97, 134,709.39 and 45,402.33 is: 68,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,771.97 : 134,709.39 = 45,402.33 : x
  2. Step 2: Convert to fraction form
    89,771.97/134,709.39 = 45,402.33/x
  3. Step 3: Cross multiply
    89,771.97x = 134,709.39 × 45,402.33
  4. Step 4: Simplify right side
    89,771.97x = 6,116,120,178.88
  5. Step 5: Solve for x
    x = 6,116,120,178.88/89,771.97
  6. Step 6: Final answer
    x = 68,129.51

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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.