Home / 85,554.00-127,704.36-75,453.82

Finding the Fourth Proportional to 85,554.00, 127,704.36 and 75,453.82

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Solution

The fourth proportional to 85,554.00, 127,704.36 and 75,453.82 is: 112,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554.00 : 127,704.36 = 75,453.82 : x
  2. Step 2: Convert to fraction form
    85,554.00/127,704.36 = 75,453.82/x
  3. Step 3: Cross multiply
    85,554.00x = 127,704.36 × 75,453.82
  4. Step 4: Simplify right side
    85,554.00x = 9,635,781,258.44
  5. Step 5: Solve for x
    x = 9,635,781,258.44/85,554.00
  6. Step 6: Final answer
    x = 112,628.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.