Home / 89,120.12-122,974.07-53,297.06

Finding the Fourth Proportional to 89,120.12, 122,974.07 and 53,297.06

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Solution

The fourth proportional to 89,120.12, 122,974.07 and 53,297.06 is: 73,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.12 : 122,974.07 = 53,297.06 : x
  2. Step 2: Convert to fraction form
    89,120.12/122,974.07 = 53,297.06/x
  3. Step 3: Cross multiply
    89,120.12x = 122,974.07 × 53,297.06
  4. Step 4: Simplify right side
    89,120.12x = 6,554,155,505.88
  5. Step 5: Solve for x
    x = 6,554,155,505.88/89,120.12
  6. Step 6: Final answer
    x = 73,542.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.