Home / 89,338.40-134,007.92-30,174.60

Finding the Fourth Proportional to 89,338.40, 134,007.92 and 30,174.60

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Solution

The fourth proportional to 89,338.40, 134,007.92 and 30,174.60 is: 45,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338.40 : 134,007.92 = 30,174.60 : x
  2. Step 2: Convert to fraction form
    89,338.40/134,007.92 = 30,174.60/x
  3. Step 3: Cross multiply
    89,338.40x = 134,007.92 × 30,174.60
  4. Step 4: Simplify right side
    89,338.40x = 4,043,635,382.83
  5. Step 5: Solve for x
    x = 4,043,635,382.83/89,338.40
  6. Step 6: Final answer
    x = 45,262.01

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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.