Home / 85,014.36-127,526.12-25,845.54

Finding the Fourth Proportional to 85,014.36, 127,526.12 and 25,845.54

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Solution

The fourth proportional to 85,014.36, 127,526.12 and 25,845.54 is: 38,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.36 : 127,526.12 = 25,845.54 : x
  2. Step 2: Convert to fraction form
    85,014.36/127,526.12 = 25,845.54/x
  3. Step 3: Cross multiply
    85,014.36x = 127,526.12 × 25,845.54
  4. Step 4: Simplify right side
    85,014.36x = 3,295,981,306.28
  5. Step 5: Solve for x
    x = 3,295,981,306.28/85,014.36
  6. Step 6: Final answer
    x = 38,769.70

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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.