Home / 89,534.82-134,042.85-67,441.26

Finding the Fourth Proportional to 89,534.82, 134,042.85 and 67,441.26

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Solution

The fourth proportional to 89,534.82, 134,042.85 and 67,441.26 is: 100,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,534.82 : 134,042.85 = 67,441.26 : x
  2. Step 2: Convert to fraction form
    89,534.82/134,042.85 = 67,441.26/x
  3. Step 3: Cross multiply
    89,534.82x = 134,042.85 × 67,441.26
  4. Step 4: Simplify right side
    89,534.82x = 9,040,018,697.99
  5. Step 5: Solve for x
    x = 9,040,018,697.99/89,534.82
  6. Step 6: Final answer
    x = 100,966.51

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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.