Home / 85,176.37-127,784.00-26,020.45

Finding the Fourth Proportional to 85,176.37, 127,784.00 and 26,020.45

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Solution

The fourth proportional to 85,176.37, 127,784.00 and 26,020.45 is: 39,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176.37 : 127,784.00 = 26,020.45 : x
  2. Step 2: Convert to fraction form
    85,176.37/127,784.00 = 26,020.45/x
  3. Step 3: Cross multiply
    85,176.37x = 127,784.00 × 26,020.45
  4. Step 4: Simplify right side
    85,176.37x = 3,324,997,052.70
  5. Step 5: Solve for x
    x = 3,324,997,052.70/85,176.37
  6. Step 6: Final answer
    x = 39,036.61

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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.